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DI ISO BUTYL PHTHALATE (DIBP)

 

 

Di Iso Butyl Phthalate (DIBP) is utilized in the production of cellulose-based plastics and nitrocellulose lacquers.
Di Iso Butyl Phthalate (DIBP) is commonly used in printing inks and paints to improve film-forming properties.
Di Iso Butyl Phthalate (DIBP) is sometimes found in cosmetics and personal care products, though its use is now restricted in many regions.


CAS Number: 84-69-5
EC Number: 201-553-2
MDL number: MFCD00026480
Linear Formula: C6H4-1,2-[CO2CH2CH(CH3)2]2
Chemical formula: C16H22O4
Molecular Weight: 278.34 g/mol

SYNONYMS:
1,2-Benzenedicarboxylic Acid Bis(2-methylpropyl) Ester, Phthalic Acid Diisobutyl ester, Benzenedicarboxylic Acid Diisobutyl Ester, 2-Methylpropyl Phthalate, Bis(2-methylpropyl) Phthalate, Di(2-methylpropyl) Phthalate, Di(isobutyl) 1,2-benzenedicarboxylate, Di-iso-Butyl Phthalate, Diisobutyl Phthalate, Hexaplas M/1B, Isobutyl Phthalate, NSC 15316, Palatinol IC, Phthaloyl dichloride, MFCD01861606, EINECS 201-553-2, Phthalyl chloride, bis(2-methylpropyl) benzene-1,2-dicarboxylate, Phthalic dichloride, 1,2-Benzenedicarbonyl dichloride, tetraphthaloyl chloride, Phthalic acid dichloride, diisobutyl 1,2-benzenedicarboxylate, 1,2-Benzenedicarboxylic acid, bis(2-methylpropyl) ester, di-l-butyl phthalate (DIBP), Diisobutyl phthalate, phthaloyl chloride, Phthalyl dichloride, benzene-1,2-dicarbonyl dichloride, Phthalic chloride, 1,2-benzene dicarboxylic acid diisobutyl ester, 1,2-benzenedicarboxylic acid, bis(2-methylpropyl) ester, AI3-04278, bisoflex DIBA, bisoflex DIBP, di(isobutyl) 1,2-benzenedicarboxylate, DIBP (=diisobutyl phthalate), diplast B, hatcol DIBP, hexaplas M 18, hexaplas M/1B, hexaplas MIB, isobutyl phthalate, jayflex DIBP, kodaflex DIBP, mollan L, phthalic acid diisobutyl ester, vestinol IB), 1,2-benzenedicarboxylic acid bis(2-methylpropyl) ester, BIS(2-METHYLPROPYL)PHTHALATE, DIBP, DIISOBUTYL PHTHALATE, DI-ISO-BUTYL PHTHALATE-3,4,5,6-D4, DI-ISO-BUTYL PHTHALATE-D4, PHTHALIC ACID, BIS-ISO-BUTYL ESTER, PHTHALIC ACID DIISOBUTYL ESTER, Diisobutylester kyseliny ftalove, Hexaplas M/1B, Isobutyl phthalate, Kodaflex DIBP, Palatinol 1C, Palatinol IC, Uniplex 155, Diisobutyl o-phthalate, Diisobutylphthalate,99%, BIS(METHYL-PROPYL)PHTHALATE,
DIISOBUTYLPHTHALATEESTER, Phthalsurediisobutylester, Reomol DiBP, 1,2-Benzenedicarboxylic acid,1,2-bis(2-methylpropyl) ester, Phthalic acid,diisobutyl ester, 1,2-Benzenedicarboxylic acid,bis(2-methylpropyl) ester, Diisobutyl phthalate, Hexaplas M/1B, Palatinol IC, Isobutyl phthalate, Di-iso-Butyl phthalate, Di(isobutyl) 1,2-benzenedicarboxylate, Di(2-methylpropyl) phthalate, 1,2-Benzenedicarboxylic acid diisobutyl ester, Reomol DiBP, NSC 15316, Bis(2-methylpropyl) phthalate, 2-Methylpropyl phthalate, Bis(2-methylpropyl) o-phthalate, 1,2-Benzenedicarboxylicacid, bis(2-methylpropyl) ester (9CI), Phthalic acid, diisobutyl ester (6CI,7CI,8CI), 1,2-Benzenedicarboxylic acid diisobutyl ester, 2-Methylpropyl phthalate, Bis(2-methylpropyl) phthalate, Di(2-methylpropyl) phthalate, Di(isobutyl)1,2-benzenedicarboxylate, Di-iso-Butyl phthalate, Isobutyl phthalate, NSC 15316, Palatinol IC, Reomol DiBP, diisobutyl phthalate, palatinol ic, dibp, isobutyl phthalate, hexaplas m/1b, kodaflex dibp, di-iso-butyl phthalate, phthalic acid, diisobutyl ester, phthalic acid diisobutyl ester, di i-butyl phthalate, 1,2-Benzenedicarboxylic acid, 1,2-bis(2-methylpropyl) ester, Phthalic acid, diisobutyl ester, 1,2-Benzenedicarboxylic acid, bis(2-methylpropyl) ester, Diisobutyl phthalate, Hexaplas M/1B, Palatinol IC, Isobutyl phthalate, Di-iso-Butyl phthalate, Di(isobutyl) 1,2-benzenedicarboxylate, Di(2-methylpropyl) phthalate, 1,2-Benzenedicarboxylic acid diisobutyl ester, Reomol DiBP, NSC 15316, Bis(2-methylpropyl) phthalate, 2-Methylpropyl phthalate, Bis(2-methylpropyl) o-phthalate, Bis(2-methylpropyl) benzene-1,2-dicarboxylate, Diisobutyl phthalate, Di-iso-butyl phthalate, Di(i-butyl)phthalate, Diisobutyl ester of phthalic acid, 1,2-benzenedicarboxylic acid, Bis(2-methylpropyl)ester, Di(isobutyl) 1,2-benzenedicarboxylate, Isobutyl-O-phthalate, DIBP, DiBP, Palatinol IC, DIISOBUTYL PHTHALATE, 84-69-5, DIBP, Palatinol IC, Isobutyl phthalate, Phthalic Acid Diisobutyl Ester, Hexaplas M/1B, Kodaflex DIBP, Di-iso-butyl phthalate, Phthalic acid, diisobutyl ester, Di(i-butyl)phthalate, 1,2-Benzenedicarboxylic acid, bis(2-methylpropyl) ester, Diisobutylester kyseliny ftalove, NSC 15316, bis(2-methylpropyl) phthalate, isobutyl-o-phthalate, 1,2-Benzenedicarboxylic acid, 1,2-bis(2-methylpropyl) ester, DTXSID9022522, di-2-methylpropyl phthalate, di-l-butyl phthalate (DIBP), IZ67FTN290, CHEBI:79053, NSC-15316, Hatcol DIBP, DTXCID602522, 1,2-benzenedicarboxylic acid bis(2-methylpropyl) ester, 1,2-Benzenedicarboxylic acid, di(2-methylpropyl) ester, Phthalic acid, bis-isobutyl ester, CAS-84-69-5, SMR000112470, di-isobutyl phthalate, CCRIS 6193, HSDB 5247, AI3-04278 (USDA), EINECS 201-553-2, BRN 2054802, UNII-IZ67FTN290, AI3-04278, Isobutyl phthalate (VAN), bis(2-methylpropyl) benzene-1,2-dicarboxylate, EC 201-553-2, Diisobutyl phthalate, 99%, SCHEMBL42787, 4-09-00-03177 (Beilstein Handbook Reference), MLS000516002, MLS002152902, BIDD:ER0640, 1, bis(2-methylpropyl) ester, CHEMBL1370662, HMS2269D07, NSC15316, Tox21_202429, Tox21_300612, MFCD00026480, AKOS015837516, Diisobutyl phthalate (ACD/Name 4.0), WLN: 1Y1&1OVR BVO1Y1&1, NCGC00091360-01, NCGC00091360-02, NCGC00091360-03, NCGC00091360-04, NCGC00254487-01, NCGC00259978-01, FT-0689059, NS00010605, P0298, Q162259, 1,2-bis(2-methylpropyl) benzene-1,2-dicarboxylate, J-503794, 1,2-benzenedicarboxylic acid di(2-methylpropyl) ester, Phthalic acid, bis-isobutyl ester 10 microg/mL in Cyclohexane, Diisobutyl phthalate, certified reference material, TraceCERT(R), 1,2-Benzenedicarboxylic acid, bis(2-methylpropyl) ester, DIBP, Di(i-butyl)phthalate, Di-iso-butyl phthalate, Diisobutylester kyseliny ftalove [Czech], Hatcol DIBP, Hexaplas M/1B, Isobutyl phthalate,  Kodaflex DIBP, Palatinol IC, Phthalic acid, diisobutyl ester, Phthaloyl dichloride, MFCD01861606, EINECS 201-553-2, Phthalyl chloride, bis(2-methylpropyl) benzene-1,2-dicarboxylate, Phthalic dichloride, 1,2-Benzenedicarbonyl dichloride, tetraphthaloyl chloride, Phthalic acid dichloride, diisobutyl 1,2-benzenedicarboxylate, 1,2-Benzenedicarboxylic acid, bis(2-methylpropyl) ester, di-l-butyl phthalate (DIBP), Diisobutyl phthalate, phthaloyl chloride, Phthalyl dichloride, benzene-1,2-dicarbonyl dichloride, Phthalic chloride, 1,2-benzene dicarboxylic acid diisobutyl ester, 1,2-benzenedicarboxylic acid, bis(2-methylpropyl) ester, AI3-04278, bisoflex DIBA, bisoflex DIBP, di(isobutyl) 1,2-benzenedicarboxylate, DIBP (=diisobutyl phthalate), diplast B, hatcol DIBP, hexaplas M 18, hexaplas M/1B, hexaplas MIB, isobutyl phthalate, jayflex DIBP, kodaflex DIBP, mollan L, phthalic acid diisobutyl ester, vestinol IB), DBP, ARALDITE RESIN, Butyl phthalate, N-BUTYL PHTHALATE, Dibutyl phthalate, Dibutyl-o-phthalate, Di-n-butyl phthalate, Dibutyl Phthalate(DBP), Diisobutyl Phthalate(DIBP), PHTHALIC ACID DIBUTYL ESTER, Phthalic acid di-n-butyl ester, Dibutyl phthalate,abbreviation, PHTHALIC ACID DI-N-BUTYL ESTER, PHTHALIC ACID, BIS-BUTYL ESTER, dibutyl benzene-1,2-dicarboxylate, O-BENZENEDICARBOXYLIC ACID DIBUTYL ESTER, Benzene-1,2-dicarboxylic acid di-n-butylester, 1,2-Benzenedicarboxylic acid, 1,2-bis(2-methylpropyl) ester, 1,2-Benzenedicarboxylic acid, bis(2-methylpropyl) ester, 1,2-Benzenedicarboxylic acid, di(2-methylpropyl) ester, Bis(2-methylpropyl) phthalate, Di-2-methylpropyl phthalate, DIBP, Diisobutyl phthalic acid, Hexaplas M/1B, Isobutyl phthalate, Bis(2-methylpropyl) benzene-1,2-dicarboxylate, Diisobutyl phthalate, Di-iso-butyl phthalate, Di(i-butyl)phthalate, Diisobutyl ester of phthalic acid, 1,2-benzenedicarboxylic acid, Bis(2-methylpropyl)ester, Di(isobutyl) 1,2-benzenedicarboxylate, Isobutyl-O-phthalate, DIBP, DiBP, Palatinol IC, DIBP, Diisobutyl phthalate, Diisobutyl ester of phthalic acid, 1,2-benzenedicarboxylic acid bis(2-methylpropyl)ester, Di(isobutyl), 1,2-benzenedicarboxylate, DIBP, Palatinol IC, Bis(2-methylpropyl) benzene-1,2-dicarboxylate, 1,2-benzene dicarboxylic acid diisobutyl ester, 1,2-benzenedicarboxylic acid, bis(2-methylpropyl) ester, AI3-04278, bisoflex DIBA, bisoflex DIBP, di(isobutyl) 1,2-benzenedicarboxylate, DIBP (=diisobutyl phthalate), diplast B, hatcol DIBP, hexaplas M 18, hexaplas M/1B, hexaplas MIB, isobutyl phthalate, jayflex DIBP, kodaflex DIBP, mollan L, phthalic acid diisobutyl ester, vestinol IB)

Di Iso Butyl Phthalate (DIBP) is a phthalate ester that is the diester obtained by the formal condensation of the carboxy groups of phthalic acid with two molecules of isobutanol.
Di Iso Butyl Phthalate (DIBP) has a role as a plasticiser, a teratogenic agent and a PPAR modulator.


Di Iso Butyl Phthalate (DIBP) is a phthalate ester and a diester.
Di Iso Butyl Phthalate (DIBP) derives from an isobutanol.
Di Iso Butyl Phthalate (DIBP) is an odorless plasticizer and has excellent heat and light stability.


Di Iso Butyl Phthalate (DIBP) is the lowest cost plasticizer for cellulose nitrate.
Di Iso Butyl Phthalate (DIBP) has lower density and freezing point than DBP (dibutyl phthalate, CAS No. : 84-74-2).
Di Iso Butyl Phthalate (DIBP) has similar properties as dibutyl phthalate and can be used as a substitute for it.


Di Iso Butyl Phthalate (DIBP) is a phthalate ester used primarily as a plasticizer.
Di Iso Butyl Phthalate (DIBP) is similar in structure and function to dibutyl phthalate (DBP) but has isobutyl groups instead of normal butyl groups.


Di Iso Butyl Phthalate (DIBP) has been used as a solvent-blender-diluent but is now of little interest since Diethyl phthalate is available in an odourless grade and at a very low cost.
Di Iso Butyl Phthalate (DIBP) is oily colorless liquid with a slight ester odor.


Di Iso Butyl Phthalate (DIBP) is insoluble in water.
Di Iso Butyl Phthalate (DIBP) is a colorless viscous liquid.
Di Iso Butyl Phthalate (DIBP) is a phthalate ester that is the diester obtained by the formal condensation of the carboxy groups of phthalic acid with two molecules of isobutanol.


Di Iso Butyl Phthalate (DIBP) is a synthetic chemical compound that belongs to the phthalate ester family, primarily used as a plasticizer to make rigid plastics flexible and durable.
Di Iso Butyl Phthalate (DIBP)’s the diester formed when phthalic acid combines with two molecules of isobutanol, creating a clear, oily liquid with the molecular formula C₁₆H₂₂O₄.


What makes Di Iso Butyl Phthalate (DIBP) significant is its role as a cost-effective substitute for Di-n-butyl Phthalate (DBP).
Di Iso Butyl Phthalate (DIBP) is prepared by esterification process of isobutanol and phthalic anhydride.
Di Iso Butyl Phthalate (DIBP) is an odorless plasticizer and has excellent heat and light stability.


Di Iso Butyl Phthalate (DIBP) is the lowest cost plasticizer for cellulose nitrate.
Di Iso Butyl Phthalate (DIBP) has lower density and freezing point than DBP.
Di Iso Butyl Phthalate (DIBP) has similar properties as dibutyl phthalate and can be used as a substitute for it.


Di Iso Butyl Phthalate (DIBP) is a phthalate ester having the structural formula C6H4(COOCH2CH(CH3)2)2.
Di Iso Butyl Phthalate (DIBP) is formed by the esterification of isobutanol and phthalic anhydride.
Di Iso Butyl Phthalate (DIBP) and other phthalates are used as plasticizers due to their flexibility and durability.


They are found in many industrial and personal products, such as lacquers, nail polish and cosmetics.
Di Iso Butyl Phthalate (DIBP) can be absorbed via oral ingestion and dermal exposure.
When it comes to excretion, Di Iso Butyl Phthalate (DIBP) is first converted into the hydrolytic monoester monoisobutyl phthalate (MIBP).


The primary excretory route is urine, with biliary excretion being noted in minor amounts.
Di Iso Butyl Phthalate (DIBP) has lower density and freezing point than the related compound dibutyl phthalate (DBP).
Di Iso Butyl Phthalate (DIBP) is an oily colorless liquid with a slight ester odor.


Di Iso Butyl Phthalate (DIBP)'s denser than water.
Di Iso Butyl Phthalate (DIBP) is insoluble in water.
Di Iso Butyl Phthalate (DIBP) is a phthalate ester that is the diester obtained by the formal condensation of the carboxy groups of phthalic acid with two molecules of isobutanol.


Di Iso Butyl Phthalate (DIBP) has a role as a plasticiser, a teratogenic agent and a PPAR modulator.
Di Iso Butyl Phthalate (DIBP) is a phthalate ester and a diester.
Di Iso Butyl Phthalate (DIBP) is functionally related to an isobutanol.


Di Iso Butyl Phthalate (DIBP) is an odorless plasticizer and has excellent heat and light stability.
Di Iso Butyl Phthalate (DIBP) is the lowest cost plasticizer for cellulose nitrate.
Di Iso Butyl Phthalate (DIBP) has lower density and freezing point than DBP (dibutyl phthalate, CAS No.: 84-74-2).


Di Iso Butyl Phthalate (DIBP) has similar properties as dibutyl phthalate and can be used as a substitute for it.
Di Iso Butyl Phthalate (DIBP) is a colorless transparent oily liquid used as an alternative to DBP (Dibutyl Phthalate).
Di Iso Butyl Phthalate (DIBP) is used in nitrocellulose and alkyd resin paints.


Di Iso Butyl Phthalate (DIBP) is a diisobutyl phthalate.
Di Iso Butyl Phthalate (DIBP) is produced through an esterification reaction between isobutanol and phthalic anhydride.
Di Iso Butyl Phthalate (DIBP) is synthesized by chemical reaction of phthalic acid with iso-butyl alcohol.


Di Iso Butyl Phthalate (DIBP) is a plasticizer with coagulating properties which was used with different polymers, e.g. poly acrylate, poly acetate dispersions, cellulose acetate, cellulose nitrate, ethyl cellulose, polyurethane, and polyvinyl butyrate.
Di Iso Butyl Phthalate (DIBP), with the chemical formula C₁₆H₂₂O₄ and CAS number 84-69-5, is a dialkyl ester of 1,2-benzenedicarboxylic acid employed primarily as a plasticizer to enhance flexibility in polymers such as polyvinyl chloride (PVC) and nitrocellulose.


Di Iso Butyl Phthalate (DIBP) manifests as a colorless, viscous liquid with a faint ester-like odor, density greater than water, low volatility, and insolubility in water but miscibility with many organic solvents.
Di Iso Butyl Phthalate (DIBP) is insoluble in water.

USES and APPLICATIONS of DI ISO BUTYL PHTHALATE (DIBP):
Applications of Di Iso Butyl Phthalate (DIBP): Adhesives, Paints & coatings, Pipe, Plastics and Rubber
Di Iso Butyl Phthalate (DIBP) is used as a plasticizer in plastics, resins, and rubber to enhance flexibility and durability.
Di Iso Butyl Phthalate (DIBP) is found in adhesives, sealants, and coatings to improve elasticity and workability.


Di Iso Butyl Phthalate (DIBP) is utilized in the production of cellulose-based plastics and nitrocellulose lacquers.
Di Iso Butyl Phthalate (DIBP) is commonly used in printing inks and paints to improve film-forming properties.
Di Iso Butyl Phthalate (DIBP) is sometimes found in cosmetics and personal care products, though its use is now restricted in many regions.


Di Iso Butyl Phthalate (DIBP) has been used as a solvent-blender-diluent but is now of little interest since Diethyl phthalate is available in an odourless grade and at a very low cost.
Di Iso Butyl Phthalate (DIBP) is used as plasticizer.


Di Iso Butyl Phthalate (DIBP) is used in paints, lacquers, and varnishes.
Di Iso Butyl Phthalate (DIBP) is also used in the paper and pulp industry and to make boards, chemicals, polymers, adhesives, softeners, and viscosity adjusters.


Di Iso Butyl Phthalate (DIBP) is primarily used as a plasticizer in PVC (polyvinyl chloride) and other plastic materials.
Di Iso Butyl Phthalate (DIBP) enhances the flexibility, durability, and workability of the plastic products.
Cosmetics: Di Iso Butyl Phthalate (DIBP) is also used in some cosmetic formulations, such as lotions and perfumes, to improve texture and stability.


Solvent: Di Iso Butyl Phthalate (DIBP) acts as a solvent in various industrial applications, helping to dissolve other substances or enhance the formulation of certain products.
Di Iso Butyl Phthalate (DIBP) is a colorless, oily, low-toxicity liquid that is used as a plasticizer in many industrial and consumer products.


Uses of Di Iso Butyl Phthalate (DIBP): Foundry Resins, Metal Casting, Solvent, Plasticizer, Plastics, Rubber
Di Iso Butyl Phthalate (DIBP) is a colorless, oily, low-toxicity liquid that is used as a plasticizer in many industrial and consumer products.
Di Iso Butyl Phthalate (DIBP) is primarily used as a plasticizer, improving the flexibility and durability of plastics, particularly PVC.


Di Iso Butyl Phthalate (DIBP) can be found in toys, vinyl flooring, food packaging, and other consumer products.
Di Iso Butyl Phthalate (DIBP) is a component in the formulation of paints, adhesives, and coatings.
Di Iso Butyl Phthalate (DIBP) is a phthalate ester primarily used as a plasticizer in various plastic products.


Plastics and Rubber Manufacturing: Di Iso Butyl Phthalate (DIBP) is primary plasticizer for flexible PVC products, vinyl flooring, and synthetic rubber materials where long-lasting flexibility is essential.
Adhesives and Sealants use of Di Iso Butyl Phthalate (DIBP): Key ingredient in industrial adhesives, caulks, and polyurethane spray foams, comprising 30-60% by weight in some formulations to improve elasticity and workability.


Paints and Coatings: Di Iso Butyl Phthalate (DIBP) enhances film-forming properties in nitrocellulose and alkyd-based paints, lacquers, and printing inks, improving flexibility and longevity of dried coatings.
Building Materials: Di Iso Butyl Phthalate (DIBP) is found in wire and cable insulation, carpet backing, vinyl flooring, concrete products, and grouting agents for construction applications.


Consumer Products: Di Iso Butyl Phthalate (DIBP) is historically used in nail polish and cosmetics to prevent brittleness (now largely restricted), and in pigment pastes for coloring artificial leathers and textiles.
Automotive Industry: Di Iso Butyl Phthalate (DIBP) is used in various automotive parts due to its low volatility and ability to maintain flexibility under varying temperatures.


Specialized Applications: Di Iso Butyl Phthalate (DIBP) is employed in explosives formulation, catalyst systems for polypropylene and fiberglass manufacturing, and as a research chemical.
Key applications of Di Iso Butyl Phthalate (DIBP): Solvents, Industries, Rubber, CASE & Construction.


Di Iso Butyl Phthalate (DIBP) works by physically inserting itself between polymer chains, particularly in polyvinyl chloride (PVC).
This spacing disrupts the strong forces holding the chains together, transforming brittle plastics into flexible materials we use every day.
Di Iso Butyl Phthalate (DIBP) functions as a plasticizer in experimental applications.


Di Iso Butyl Phthalate (DIBP) acts by increasing the flexibility and durability of various materials, such as polymers and resins, without undergoing significant changes itself.
Di Iso Butyl Phthalate (DIBP) interacts at the molecular level by forming non-covalent bonds with the polymer chains, reducing intermolecular forces and allowing the material to become more pliable.


Di Iso Butyl Phthalate (DIBP) achieves this by diffusing into the polymer matrix and creating spaces between the polymer chains, thereby decreasing the glass transition temperature and increasing the material′s flexibility.
Di Iso Butyl Phthalate (DIBP)′s mechanism of action involves enhancing the performance of various materials, which may be useful for experimental purposes in the development of new products and materials.


Di Iso Butyl Phthalate (DIBP) acts as a plasticizer.
Di Iso Butyl Phthalate (DIBP) can be used as a replacement for dibutyl phthalate due to lower production costs.
Di Iso Butyl Phthalate (DIBP) is used in poly-vinyl chloride (PVC) plastic to increase flexibility.


Di Iso Butyl Phthalate (DIBP) functions as a plasticizer in experimental applications.
Di Iso Butyl Phthalate (DIBP) acts by increasing the flexibility and durability of various materials, such as polymers and resins, without undergoing significant changes itself.


Di Iso Butyl Phthalate (DIBP) interacts at the molecular level by forming non-covalent bonds with the polymer chains, reducing intermolecular forces and allowing the material to become more pliable.
Di Iso Butyl Phthalate (DIBP) achieves this by diffusing into the polymer matrix and creating spaces between the polymer chains, thereby decreasing the glass transition temperature and increasing the material′s flexibility.


Di Iso Butyl Phthalate (DIBP)′s mechanism of action involves enhancing the performance of various materials, which may be useful for experimental purposes in the development of new products and materials.
Di Iso Butyl Phthalate (DIBP) is an almost colorless, odorless to slightly aromatic oily liquid used primarily as a plasticizer to enhance flexibility in polyvinyl chloride (PVC) plastics.


It serves as a cost-effective alternative to Di Iso Butyl Phthalate (DIBP), offering similar performance with lower production costs.
Di Iso Butyl Phthalate (DIBP) is also widely used in inks, coatings, lacquers, adhesives, and protective coatings based on cellulose acetate, ethyl cellulose, and vinyl polymers.


Di Iso Butyl Phthalate (DIBP) is particularly effective as a low-cost plasticizer for cellulose nitrate and polyvinyl acetate emulsion paints.
With lower specific gravity and freezing point than DBP, Di Iso Butyl Phthalate (DIBP)'s versatility extends to processing and applications involving nitrile rubbers.


Di Iso Butyl Phthalate (DIBP) serves as a plasticizer in various plastic and cosmetic products, improving flexibility and durability.
In combination with other plasticizers Di Iso Butyl Phthalate (DIBP) was applied as gellant in processing of so-called plastisols.
Di Iso Butyl Phthalate (DIBP) is present for instance in floorings, adhesives, lacquers, inks, hydraulic fluids and lubricants.


Di Iso Butyl Phthalate (DIBP) was used as marker in fuels for tax purposes and also in the production of titanium catalysers.
Di Iso Butyl Phthalate (DIBP) can substitute dibutyl phthalate (DBP) in most, if not all, applications.
Since Di Iso Butyl Phthalate (DIBP) is not chemically bound in the polymer matrix it may outgas or be released upon contact with fluids and fat.


Di Iso Butyl Phthalate (DIBP) is a Dialkyl phthalate ester phthalate plasticizer which can be used as a substitute of dibutyl phthalate.
Di Iso Butyl Phthalate (DIBP) as well as other phthalates have genotoxic effects and studies shown an increase in its monoester metabolite in human urine over the years.


Synthesized through the esterification of phthalic anhydride with isobutanol under acidic catalysis, Di Iso Butyl Phthalate (DIBP) finds application in industrial adhesives, sealants, printing inks, lubricants, and consumer items including cosmetics and nail polishes, often as a substitute for dibutyl phthalate.


-Industry use of Di Iso Butyl Phthalate (DIBP):
Di Iso Butyl Phthalate (DIBP) is used as a plasticizer additive in a range of plastic and rubber materials.
Di Iso Butyl Phthalate (DIBP) has low volatility, which makes it ideal for use in products that require long-lasting flexibility, e.g. automotive parts, wire and cable insulation, and flooring.
Di Iso Butyl Phthalate (DIBP) is dense and water-insoluble.

INDUSTRIAL AND COMMERCIAL USES of DI ISO BUTYL PHTHALATE (DIBP):
***Primary Applications in Materials
Di Iso Butyl Phthalate (DIBP) serves primarily as a plasticizer in polyvinyl chloride (PVC) polymers, where it enhances flexibility, workability, and durability by inserting between polymer chains to reduce intermolecular forces.
This application is prevalent in the production of vinyl flooring, wall coverings, and flexible films, leveraging Di Iso Butyl Phthalate (DIBP)'s low volatility for long-term stability in finished products.

In non-PVC materials, Di Iso Butyl Phthalate (DIBP) functions as a specialist plasticizer or gelling aid, often blended with higher molecular weight phthalates to optimize viscosity and gelation in formulations such as rubber compounds and nitrile butadiene rubber (NBR).
Di Iso Butyl Phthalate (DIBP) is also incorporated into polyurethane coatings, adhesives, and sealants to improve elasticity and adhesion properties.

Additional uses include its role in foundry resins for metal casting and as a component in industrial catalyst systems, where Di Iso Butyl Phthalate (DIBP) acts as a solvent or processing aid to facilitate resin curing and material integrity.
These applications exploit Di Iso Butyl Phthalate (DIBP)'s compatibility with cellulose and vinyl resins, though its volume in such niche areas remains lower than in primary PVC plasticization.

PROPERTIES of DI ISO BUTYL PHTHALATE (DIBP):
Di Iso Butyl Phthalate (DIBP) is a colorless to slightly yellowish liquid with a faint odor.
Di Iso Butyl Phthalate (DIBP) has a molecular weight of 278.35 g/mol and a dibp chemical formula of C₁₆H₂₂O₄.
Di Iso Butyl Phthalate (DIBP) is insoluble in water but highly soluble in organic solvents such as ethanol, acetone, and benzene.

Di Iso Butyl Phthalate (DIBP) has a boiling point of approximately 327°C and a low vapor pressure, making it relatively stable under normal conditions.
Di Iso Butyl Phthalate (DIBP) functions as a plasticizer by reducing the brittleness of polymers, improving flexibility and workability.

Di Iso Butyl Phthalate (DIBP)'s branched isobutyl groups contribute to its lower viscosity compared to other phthalates.
Di Iso Butyl Phthalate (DIBP) has good compatibility with cellulose-based plastics, rubber, adhesives, and coatings.
However, due to concerns about its potential reproductive toxicity and endocrine-disrupting properties, Di Iso Butyl Phthalate (DIBP)'s use is regulated in certain regions.

STRUCTURE of DI ISO BUTYL PHTHALATE (DIBP):
Di Iso Butyl Phthalate (DIBP) has a chemical structure consisting of a benzene ring with two ester functional groups attached at the 1,2-positions.
These ester groups are derived from isobutanol, meaning each ester group contains a branched isobutyl (-CH₂CH(CH₃)₂) moiety.
The core structure is based on phthalic acid, where the carboxyl groups are esterified with isobutyl alcohol.

This results in a molecular framework that maintains the flexibility and plasticizing properties characteristic of phthalates.
The branched nature of the isobutyl groups influences Di Iso Butyl Phthalate (DIBP)'s solubility and interaction with polymers, making it effective in softening plastic materials.

FORMULATIONS AND PRODUCT INTEGRATION of DI ISO BUTYL PHTHALATE (DIBP):
Di Iso Butyl Phthalate (DIBP) is primarily incorporated into polyvinyl chloride (PVC) formulations as a plasticizer to impart flexibility and processability, with typical concentrations ranging from 15% to 60% by weight in commercial soft PVC products such as films, sheets, and coatings.
In these applications, Di Iso Butyl Phthalate (DIBP) is blended with PVC resin during compounding processes, often alongside stabilizers and other additives, to achieve targeted mechanical properties like elongation and tensile strength without compromising durability.

For highly flexible PVC (up to 50-70% plasticizer content), Di Iso Butyl Phthalate (DIBP) contributes to low-temperature performance and reduced viscosity during extrusion or calendering.
In adhesive and sealant manufacturing, Di Iso Butyl Phthalate (DIBP) functions as a key plasticizer at levels of 30-60% by weight, improving elasticity, adhesion, and resistance to cracking in products like caulks, polyurethane foams, and industrial glues.

Di Iso Butyl Phthalate (DIBP) is mixed into polymer bases such as polyvinyl acetate or rubber during formulation to enhance workability and longevity, particularly in construction and automotive sealants.
Di Iso Butyl Phthalate (DIBP)'s compatibility with non-PVC resins also extends its use to coatings and inks, where it is added at lower fractions (typically under 20%) to reduce viscosity and improve film formation.

Product integration of Di Iso Butyl Phthalate (DIBP) occurs across industries including packaging (e.g., flexible films), automotive components (e.g., interior trims), and consumer goods (e.g., cable sheathing), where it is selected for its cost-effectiveness and volatility profile compared to higher-molecular-weight phthalates.

Regulatory approvals, such as its status as an indirect food additive in adhesives under 21 CFR 175.105, facilitate its use in food-contact packaging formulations, though migration limits apply.
Blends with alternative plasticizers are increasingly common to meet performance and compliance standards in regions restricting certain phthalates.

AVAILABLE FORMS of DI ISO BUTYL PHTHALATE (DIBP):
Di Iso Butyl Phthalate (DIBP) is clear, colourless, oily liquid form with a mild odor.
Di Iso Butyl Phthalate (DIBP) is insoluble in water but soluble in many organic solvents.

OPTIMIZATION of DI ISO BUTYL PHTHALATE (DIBP):
Sulfonated graphene is a heterogeneous catalyst that has several advantages over traditional liquid acids like sulfuric acid.
Sulfonated graphene can be easily separated from the reaction mixture by filtration and can be reused multiple times without reduction in activity.

Furthermore, sulfonated graphene is environmentally friendly, as it does not produce hazardous waste materials that are typically generated during the use of traditional liquid acid catalysts. 
This method has a 95% yield.

Lewis acids, such as FeCl3, can also be used as the catalyst.
The Lewis acid catalysis process can be run at lower temperatures (50-100 °C), and gives a yield of 86%.

ENVIRONMENTAL REACTIONS of DI ISO BUTYL PHTHALATE (DIBP):
Di Iso Butyl Phthalate (DIBP) can undergo various reactions that may impact the environment. Examples include:

*Hydrolysis: 
Hydrolyzation of Di Iso Butyl Phthalate (DIBP) can be done by enzymes, bacteria, and other microorganisms in the environment to form phthalic acid and isobutyl alcohol.
This can lead to the breakdown and the eventual degradation of Di Iso Butyl Phthalate (DIBP) in the soil and water supply


*Photodegradation: 
Di Iso Butyl Phthalate (DIBP) can undergo photodegradation by exposure to the sunlight. 
This can lead to the formation of several degradation products, including phthalic acid, isobutyraldehyde, and other aldehydes.


*Biodegradation: 
Di Iso Butyl Phthalate (DIBP) can be degraded by microorganisms in soil and in the water. 
This can transform Di Iso Butyl Phthalate (DIBP) into other compounds such as phthalic acid and various isobutyl alcohol derivatives.


*Sorption: 
Di Iso Butyl Phthalate (DIBP) can adsorb or sorb onto soil and sediment particles, which can limit its mobility and availability for biological or chemical degradations and reactions.


*Oxidation: 
Di Iso Butyl Phthalate (DIBP) can be oxidized in the presence of ozone or other reactive oxygen species. 
The formation of various oxidation products, including aldehydes, ketones, and carboxylic acids can be expected.
These reactions can impact the persistence, bioaccumulation, and toxicity in the environment and may have implications for human and ecosystem health.

METABOLISM of DI ISO BUTYL PHTHALATE (DIBP):
Upon entering circulation Di Iso Butyl Phthalate (DIBP) is quickly metabolized and excreted through urine, with metabolites reaching peak concentrations 2–4 hours after administration.
The main metabolite of Di Iso Butyl Phthalate (DIBP) is mono-isobutyl phthalate (MiBP), which makes up 70% of the excretion products. 

MiBP can be oxidized to either 2OH-mono-isobutyl phthalate (2OH-MiBP) or 3OH-mono-isobutyl phthalate (3OH-MiBP), which make up 20% and 1% of the excretion products respectively. 
These reactions are likely catalyzed by cytochrome P450 in the liver.

The ratio between MiBP and the oxidized metabolites changes depending on the amount of time that has passed since exposure.
The ratio between MiBP and 2OH-MiBP and that between MiBP and 3OH-MiBP show a similar trend. 
With the ratios being high, around 20-30:1, shortly after exposure and dropping gradually as more time passes to rest around 2-5:1. 

Therefore, a high ratio of oxidized metabolites to the monoester metabolite suggests that there was recent exposure to Di Iso Butyl Phthalate (DIBP), within a few hours of measuring, while a lower ratio suggests that there has been more time since exposure. 
In addition to oxidation, MiBP can also undergo a glucuronidation reaction, resulting in the metabolite MiBP-glucuronide

SYNTHESIS of DI ISO BUTYL PHTHALATE (DIBP):
Di Iso Butyl Phthalate (DIBP) is synthesized by a double nucleophilic acyl substitution reaction between phthalic anhydride and isobutanol, using various acids as a catalyst, such as sulfuric acid, sulfonated graphene, or iron(III) chloride. 
Water is a byproduct.
Using sulfuric acid, the yield is 61% yield.

MECHANISM OF ACTIONS of DI ISO BUTYL PHTHALATE (DIBP):
*PPARγ Pathway
The effects of Di Iso Butyl Phthalate (DIBP) exposure are mainly realized through its activation of peroxisome proliferator-activated receptor gamma (PPARγ).
PPARs are ligand-activated nuclear transcription factors, the family consists of PPARα, PPARβ/δ and PPARγ.

There are two isoforms of PPARγ, PPARγ2 is mainly present on cells in adipose tissue, whereas PPARγ1 is found on multiple cells like those in the gut, brain, blood vessels, and some immune and inflammatory cells.

Transcriptional regulation through PPARs requires the formation of a heterodimer with retinoid X receptor (RXR). 
Upon activation by Di Iso Butyl Phthalate (DIBP) this PPARγ/RXR heterodimer binds to a DNA sequence called the PPAR response element (PPRE).
Binding of the transcription factor to this response element can result in either up- or down-regulation of genes. 

PPARγ is involved in lipid metabolism and storage as well as glucose metabolism through improving insulin sensitivity, so binding of Di Iso Butyl Phthalate (DIBP) leads to altered leptin and insulin levels. 
Di Iso Butyl Phthalate (DIBP) also leads to a down-regulation of proteins involved in steroid production, resulting in higher levels of androgenic hormones.


*Cytokine-cytokine receptor pathway
Another type of pathway affected by Di Iso Butyl Phthalate (DIBP) exposure is the cytokine-cytokine receptor pathway. 
There are two pathways affected: the tumour necrosis factor receptor superfamily (TNFRSF) and the prolactin receptor pathway, both of which affect spermatogenesis.

COMPOUND TYPE of DI ISO BUTYL PHTHALATE (DIBP):
*Aromatic Hydrocarbon
*Cosmetic Toxin
*Ester
*Ether
*Household Toxin
*Industrial/Workplace Toxin
*Metabolite
*Organic Compound
*Phthalate
*Plasticizer
*Synthetic Compound

ALTERNATIVE PARENTS of DI ISO BUTYL PHTHALATE (DIBP):
*Benzoyl derivatives 
*Dicarboxylic acids and derivatives 
*Carboxylic acid esters 
*Organooxygen compounds 
*Organic oxides 
*Hydrocarbon derivatives 

SUBSTITUENTS of DI ISO BUTYL PHTHALATE (DIBP):
*Benzoate ester
*Benzoyl
*Dicarboxylic acid or derivatives
*Carboxylic acid ester
*Carboxylic acid derivative
*Organic oxygen compound
*Organic oxide
*Hydrocarbon derivative
*Organooxygen compound
*Aromatic homomonocyclic compound

PRODUCTION METHODS of DI ISO BUTYL PHTHALATE (DIBP):
Di Iso Butyl Phthalate (DIBP) is manufactured by esterifying phthalic anhydride and isobutanol in the presence of sulfuric acid.

SYNTHESIS PROCESSES of DI ISO BUTYL PHTHALATE (DIBP):
Di Iso Butyl Phthalate (DIBP) is primarily synthesized through the acid-catalyzed esterification of phthalic anhydride with isobutanol, a process that forms the diester via sequential reaction steps.
The reaction begins with the rapid, irreversible formation of the mono-isobutyl phthalate intermediate, followed by a slower esterification to yield the diester product and water.

Industrially, concentrated sulfuric acid serves as the conventional catalyst, with the reaction typically conducted at 120–150°C under atmospheric pressure, using excess isobutanol (molar ratio of approximately 2.5–3:1 relative to phthalic anhydride) to drive equilibrium toward the product while distilling off water azeotropically.

Post-reaction purification involves neutralization of the acid catalyst, aqueous washing to remove unreacted alcohol and byproducts, and vacuum distillation to isolate Di Iso Butyl Phthalate (DIBP), achieving yields exceeding 95% under optimized conditions.
Alternative catalysts, such as p-toluenesulfonic acid, methanesulfonic acid, or acidic ion-exchange resins, are employed to mitigate corrosion issues associated with sulfuric acid, particularly in continuous processes.

Research methods using Lewis acids like FeCl₃ enable milder conditions (50–100°C) with yields up to 86%, though these are not yet dominant in large-scale production.
Specialized approaches, including heterogeneous catalysts like sulfonated graphene, aim to enhance reusability and reduce waste, reflecting ongoing efforts to improve sustainability in phthalate manufacturing.

MANUFACTURING OPTIMIZATION of DI ISO BUTYL PHTHALATE (DIBP):
The manufacturing of diisobutyl phthalate (DIBP) primarily involves optimizing the esterification of phthalic anhydride with isobutanol under acidic catalysis to maximize yield, purity, and process efficiency while minimizing energy use and waste.
Typical optimizations focus on precise control of reaction parameters, such as maintaining temperatures of 140–145°C and alcohol-to-anhydride molar ratios of approximately 2:1 to 2.5:1, which achieve acid numbers of 0.25–0.35 mg KOH/g after 7–8.5 hours of reaction time, resulting in high conversion rates without significant byproducts.

These conditions, using concentrated sulfuric acid (0.5–0.6% by weight) as catalyst, enable short cycle times and raw material savings through staged addition of isobutanol, enhancing economic viability.
Further efficiency gains arise from integrating waste recovery, such as precipitating phthalic acid from plasticizer production wastewater via acidification and aeration, followed by esterification with isobutanol at 140°C for about 40 minutes.

This approach recycles resources, reduces environmental discharge, and lowers production costs by utilizing otherwise discarded streams.
Catalyst alternatives, like methane sulfonic acid, have been studied for butyl phthalate syntheses including Di Iso Butyl Phthalate (DIBP), offering potential advantages in recyclability and reduced corrosivity compared to sulfuric acid, with kinetic models supporting optimized reaction rates under isothermal semibatch conditions.

Post-synthesis purification optimizations, such as heat treatment of crude Di Iso Butyl Phthalate (DIBP) with 0.6–0.7% anhydrous sodium carbonate at 130–150°C for 2 hours followed by water washing and vacuum dealcoholization, remove residual catalysts and impurities, yielding ester contents exceeding 99.5% and improving thermal stability.

This reduces wastewater volume by two-thirds, shortens overall production cycles, and supports energy-efficient scaling.
Such refinements collectively enhance process sustainability, with reported benefits including higher product purity and lower operational hazards in industrial settings.

Di Iso Butyl Phthalate (DIBP) is a plasticizer, non-toxic.
Mainly used as polyvinyl chloride plasticizer, can make Di Iso Butyl Phthalate (DIBP) has good flexibility.

Because of its relatively low price and good processability, Di Iso Butyl Phthalate (DIBP) is widely used in China, almost equivalent to DOP.
But its volatility and water extraction are large, and the durability of Di Iso Butyl Phthalate (DIBP) is poor, should gradually limit its use.
Di Iso Butyl Phthalate (DIBP) is an excellent plasticizer for nitrocellulose, and has strong gelation ability.

For nitrocellulose coating, Di Iso Butyl Phthalate (DIBP) has excellent softening effect, stability, adhesion.
Di Iso Butyl Phthalate (DIBP) can also be used as polyvinyl acetate, alkyd resin, ethyl cellulose, natural and synthetic rubber, and organic glass and plasticizer.

PRODUCED of DI ISO BUTYL PHTHALATE (DIBP):
Here's an explanation of how Di Iso Butyl Phthalate (DIBP) is produced through the esterification process:

Production of Diisobutyl Phthalate (DiBP):
Esterification:
Di Iso Butyl Phthalate (DIBP) (DiBP) is produced through a chemical reaction known as esterification.
This process involves the reaction between an alcohol (isobutanol) and an acid (phthalic anhydride).
Reactants:
Isobutanol:
A short-chain alcohol (C4H10O) that contributes two isobutyl groups to the final structure of Di Iso Butyl Phthalate (DIBP) (DiBP).


Phthalic Anhydride:
A chemical compound that acts as the acid component.
It is a cyclic compound with two carbonyl groups and is the reactive form of phthalic acid.

Reaction Process:
During the reaction, the hydroxyl group (-OH) from isobutanol reacts with the carbonyl group (C=O) from phthalic anhydride.
This forms an ester bond and releases water as a byproduct.
The reaction typically occurs under heat and may involve a catalytic acid to promote the esterification process.


Formation of DiBP:
Once the reaction is complete, Di Iso Butyl Phthalate (DIBP) is formed as a product.
Its chemical formula is C16H22O4, consisting of two isobutyl groups attached to phthalic acid.

ADVANTAGES of DI ISO BUTYL PHTHALATE (DIBP):
*Di Iso Butyl Phthalate (DIBP) provides effective plasticization, improving flexibility and softness of materials.
*Di Iso Butyl Phthalate (DIBP) offers good compatibility with various polymers, especially cellulose-based plastics.
*Di Iso Butyl Phthalate (DIBP) enhances durability and longevity of coatings, adhesives, and inks.
*Low-cost alternative to other plasticizers with similar performance.

SYNTHESIS of DI ISO BUTYL PHTHALATE (DIBP):
Di Iso Butyl Phthalate (DIBP) is commercially produced through an esterification reaction between phthalic anhydride and isobutanol.
The core reaction follows this pathway:

Phthalic Anhydride + 2 Isobutanol → Diisobutyl Phthalate + Water.
The manufacturing process typically occurs in closed systems with different catalyst options determining efficiency.

Traditional synthesis uses sulfuric acid as a catalyst, achieving about 61% yield but creating equipment corrosion and hazardous waste challenges.
Modern methods employ more efficient catalysts.

Lewis acids like iron(III) chloride operate at lower temperatures (50-100°C) and achieve 86% yield.
The most advanced approach uses heterogeneous catalysts like sulfonated graphene, which can be easily separated and reused, achieving an impressive 95% yield while minimizing environmental impact.

HISTORICAL DEVELOPMENT of DI ISO BUTYL PHTHALATE (DIBP):
Invention and Early Applications
Di Iso Butyl Phthalate (DIBP) is produced via acid-catalyzed esterification of phthalic anhydride with isobutanol, a reaction method standard for phthalate esters developed in the early 20th century as synthetic plasticizers gained traction.

Phthalates as plasticizers were first commercialized in the 1920s, coinciding with innovations in polymer processing, including Waldo Semon's 1926 discovery of polyvinyl chloride (PVC) plasticization.
While linear-chain phthalates like diethyl phthalate preceded it, Di Iso Butyl Phthalate (DIBP)'s branched structure emerged to meet demands for specialized solvency and compatibility in formulations.

Initial applications leveraged DIBP's low volatility and compatibility as a plasticizer for nitrocellulose, enhancing flexibility in lacquers and coatings.
Di Iso Butyl Phthalate (DIBP) was incorporated into inks, adhesives, and protective finishes based on cellulose acetate, ethyl cellulose, and early vinyl polymers, where it improved durability and workability without excessive migration.

These uses paralleled broader phthalate adoption in flexible materials during the interwar period, though Di Iso Butyl Phthalate (DIBP) achieved wider commercial scaling in the mid-20th century amid petrochemical advancements enabling cost-effective isobutanol production.

COMPARISON TO RELATED PHTHALATES:
Di Iso Butyl Phthalate (DIBP) shares the molecular formula C16H22O4 and weight of 278.34 g/mol with dibutyl phthalate (DBP), its structural isomer, but features branched iso-butyl ester groups rather than linear n-butyl chains, influencing subtle differences in volatility and solubility.
This branching confers Di Iso Butyl Phthalate (DIBP) slightly higher volatility and faster migration from polymers compared to DBP, yet both function similarly as low-molecular-weight plasticizers for polyvinyl chloride (PVC), adhesives, and inks, with DIBP frequently substituting for 
DBP due to overlapping solvency and flexibility-enhancing properties.
In contrast, di(2-ethylhexyl) phthalate (DEHP), with a higher molecular weight of 390.56 g/mol and longer branched chains, provides superior permanence and lower volatility in flexible PVC applications like flooring and medical tubing, though it exhibits greater hydrophobicity (log K ≈ 7.5–8.8).

CHEMICAL IDENTITY of DI ISO BUTYL PHTHALATE (DIBP):
Molecular Structure and Properties
Di Iso Butyl Phthalate (DIBP) is a dialkyl ester of 1,2-benzenedicarboxylic acid, formed by esterification of phthalic acid or anhydride with isobutanol (2-methylpropan-1-ol).
Di Iso Butyl Phthalate (DIBP)'s systematic IUPAC name is bis(2-methylpropyl) benzene-1,2-dicarboxylate.

The molecular formula is C16H22O4, and the molar mass is 278.35 g/mol.
The structure features a central benzene ring with adjacent carboxylate groups (-COOCH2CH(CH3)2) at the ortho positions, conferring flexibility and compatibility with polymers due to the branched alkyl chains.

This configuration distinguishes DIBP from linear phthalates like dibutyl phthalate, potentially altering its plasticizing efficiency and volatility.
Di Iso Butyl Phthalate (DIBP) is a colorless to pale yellow viscous liquid with a mild ester odor at room temperature.

Di Iso Butyl Phthalate (DIBP) has a reported melting point ranging from -37 °C to -64 °C, a boiling point of 320–327 °C at atmospheric pressure, and a density of 1.038–1.04 g/cm³ at 20–25 °C.
Di Iso Butyl Phthalate (DIBP) exhibits low water solubility, approximately 0.001–0.01 g/L at 20 °C, but is miscible with most organic solvents.
Vapor pressure of Di Iso Butyl Phthalate (DIBP) is minimal, about 0.01 Pa at 20 °C, reflecting low volatility.

Chemically, as an ester, Di Iso Butyl Phthalate (DIBP) is stable under neutral conditions but susceptible to hydrolysis in acidic or basic environments, yielding phthalic acid and isobutanol.
Di Iso Butyl Phthalate (DIBP) shows low reactivity with water or air but may undergo transesterification or oxidation at elevated temperatures.

COMMERCIAL SCALE-UP of DI ISO BUTYL PHTHALATE (DIBP):
Commercial production of Di Iso Butyl Phthalate (DIBP) emerged in the early to mid-20th century as part of the broader development of phthalate esters to address the rising demand for plasticizers in flexible materials.

Its adoption accelerated during and after World War II, coinciding with the expansion of synthetic polymers such as polyvinyl chloride (PVC), where Di Iso Butyl Phthalate (DIBP) served as a cost-effective additive for enhancing flexibility in applications like coatings, adhesives, and inks.

Industrial scale-up relied on the established esterification process, involving the catalytic reaction of phthalic anhydride with isobutanol at temperatures of 140–180 °C using acid catalysts, followed by purification through vacuum distillation or activated charcoal treatment to achieve over 99% purity.

This method, conducted in closed systems with recovery of unreacted alcohols, enabled efficient large-scale manufacturing, though Di Iso Butyl Phthalate (DIBP) volumes remained lower than those of linear phthalates like dibutyl phthalate due to its niche use profile.

In the United States, key producers included Eastman Chemical Company in Tennessee and Unitex Chemical Company in North Carolina under the trade name Uniplex 155, with reported domestic production exceeding 500,000–1,000,000 pounds annually as of 2002.
Eastman announced plans to cease production by December 2011, reflecting shifts in market demand and regulatory pressures on phthalates.

By the latter half of the 20th century, Di Iso Butyl Phthalate (DIBP)'s commercial footprint stabilized at modest levels, with global production of Di Iso Butyl Phthalate (DIBP) combined with dibutyl phthalate reaching approximately 450,000 tons per year, and European volumes for similar esters estimated at 10,000–50,000 tons annually.
This scale-up supported integration into industrial formulations but did not match the explosive growth of dominant plasticizers like di(2-ethylhexyl) phthalate, constrained by Di Iso Butyl Phthalate (DIBP)'s specific performance characteristics and emerging health concerns.

REACTIVITY PROFILE of DI ISO BUTYL PHTHALATE (DIBP):
Di Iso Butyl Phthalate (DIBP) reacts with acids to liberate heat along with isobutyl alcohol and phthalic acid.
Di Iso Butyl Phthalate (DIBP) may react sufficiently exothermically with strong oxidizing acids to ignite the reaction products.
Heat is also generated by interaction with caustic solutions.
Flammable hydrogen is generated by mixing with alkali metals and hydrides.
Di Iso Butyl Phthalate (DIBP) can generate electrostatic charges in handling.

PHYSICAL and CHEMICAL PROPERTIES of DI ISO BUTYL PHTHALATE (DIBP):
Molecular Weight: 278.34 g/mol
XLogP3: 4.1
Hydrogen Bond Donor Count: 0
Hydrogen Bond Acceptor Count: 4
Rotatable Bond Count: 8
Exact Mass: 278.15180918 g/mol
Monoisotopic Mass: 278.15180918 g/mol
Topological Polar Surface Area: 52.6Ų
Heavy Atom Count: 20

Formal Charge: 0
Complexity: 290
Isotope Atom Count: 0
Defined Atom Stereocenter Count: 0
Undefined Atom Stereocenter Count: 0
Defined Bond Stereocenter Count: 0
Undefined Bond Stereocenter Count: 0
Covalently-Bonded Unit Count: 1

Viscosity 
Viscosity, kinematic: 13,96 mm2/s at 40 °C 
Viscosity, dynamic: No data available
Water solubility 0,02 g/l at 20 °C - slightly soluble
Partition coefficient: n-octanol/water:
log Pow: 4,11 at 20 °C 
Vapor pressure: 0,11 hPa at 100 °C
Density: 1,039 g/cm3 at 25 °C - lit.

Relative density: No data available
Relative vapor density: No data available
Particle characteristics: No data available
Explosive properties: No data available
Oxidizing properties: none
Other safety information: No data available
CAS Number: 84-69-5
Molecular Weight: 278.34
Beilstein: 2054802

EC Number: 201-553-2
MDL number: MFCD00026480
Chemical formula: C16H22O4
Molar mass: 278.348 g·mol−1
Appearance: Colorless viscous liquid
Density: 1.038 g/cm3
Melting point: −37 °C (−35 °F; 236 K)
Boiling point: 320 °C (608 °F; 593 K)

Solubility in water: 1 mg/L at 20 °C
log P: 4.11
Vapor pressure: 0.01 Pa at 20 °C
Flash point: 185 °C (365 °F; 458 K) c.c.
Autoignition temperature: 400 °C (752 °F; 673 K)
Melting Point: -64 °C
Boiling Point: 295.3±8.0 °C at 760 mmHg
Flash Point: 153.9±7.9 °C

Molecular Formula: C16H22O4
Molecular Weight: 278.344
Density: 1.0±0.1 g/cm3
Molecular Formula: C16H22O4
IUPAC name: bis(2-methylpropyl) benzene-1,2-dicarboxylate
Cas Number: 84-69-5
Molecular weight: 278.34 g/mol
Density: 1.039 g/mL
Boiling Point: 320 °C

Flashpoint: 185 °C
Density: 1.043 g/mL at 25 °C (lit.)
Melting Point: -35 °C (lit.)
Boling Point: 340 °C (lit.)
Flash Point: 340°F
Water Solubility: Slightly soluble. 0.0013 g/100 mL
Solubility: Soluble in water (0.4 mg/ml at 20 °C), ethanol. 
Very soluble in ether, acetone, and B
Vapor Presure: 1 mm Hg ( 147 °C)
Vapor Density: 9.6 (vs air)

Appearance: Colorless liquid
Specific Gravity: 1.049 (20/20℃)
Color: APHA: ≤10
Exposure Limit    NIOSH REL: TWA 5 mg/m3, IDLH 4,000 mg/m3; 
OSHA PEL: TWA5 mg/m3; ACGIH TLV: TWA 5 mg/m3.
Merck: 14,3035
BRN: 1914064
Compound Is Canonicalized: Yes
Physical state: liquid
Color: colorless

Odor: weak
Synonyms: di-iso-butyl phthalate
CAS#: 84-69-5
Molecular Formula: C16H22O4
Formula Weight: 278.34
Structural Formula:
Flash point: 177 °C
Boiling point: 327 °C
Melting point: -50°C

Refractive index: 1.4900
Description: Clear liquid.
Melting Point: -64 °C
Boiling Point: 295.3±8.0 °C at 760 mmHg
Flash Point: 153.9±7.9 °C
Molecular Formula: C16H22O4
Molecular Weight: 278.344
Density: 1.0±0.1 g/cm3
Density: 1.0±0.1 g/cm3

Boiling Point: 295.3±8.0 °C at 760 mmHg
Melting Point: -64 °C
Molecular Formula: C16H22O4
Molecular Weight: 278.344
Flash Point: 153.9±7.9 °C
Exact Mass: 278.151794
PSA: 52.60000
LogP: 4.46
Vapour Pressure: 0.0±0.6 mmHg at 25°C

Index of Refraction: 1.497
Water Solubility: Insoluble
Freezing Point: -50℃
Melting point/freezing point:
Melting point: -64 °C
Initial boiling point and boiling range: 327 °C - lit.
Flammability (solid, gas): No data available

Upper/lower flammability or explosive limits:
Upper explosion limit: 3,2 %(V)
Lower explosion limit: 0,8 %(V)
Flash point: 109 °C - closed cup
Autoignition temperature: 423 °C at 1.013 hPa
Decomposition temperature: No data available
pH: neutral
Melting Point: -37 °C
Flammability: Combustible

Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Boiling Point: 296.00 °C. @ 760.00 mm Hg
Vapor Pressure: 0.002000 mmHg @ 25.00 °C. (est)
Flash Point: 309.00 °F. TCC ( 153.90 °C. ) (est)
logP (o/w): 4.110
Soluble in: water, 6.2 mg/L @ 24C (exp)
CAS: 84-74-2
EINECS: 201-557-4

InChIKey: DOIRQSBPFJWKBE-UHFFFAOYSA-N
Molecular Formula: C16H22O4
Molar Mass: 278.34
Storage Condition: 2-8°C
Sensitive: Easily absorbing moisture
Explosive Limit: 0.47%, 236°F
Refractive Index: n20/D 1.492(lit.)
MDL: MFCD00009441

Chemical Formula: C16H22O4
Average Molecular Mass: 278.344 g/mol
Monoisotopic Mass: 278.152 g/mol
CAS Registry Number: 84-69-5
IUPAC Name: 1,2-bis(2-methylpropyl) benzene-1,2-dicarboxylate
Traditional Name: diisobutyl phthalate
SMILES: CC(C)COC(=O)C1=CC=CC=C1C(=O)OCC(C)C
InChI Identifier: InChI=1S/C16H22O4/c1-11(2)9-19-15(17)13-7-5-6-8-14(13)16(18)20-10-12(3)4/h5-8,11-12H,9-10H2,1-4H3
InChI Key: InChIKey=MGWAVDBGNNKXQV-UHFFFAOYSA-N

FIRST AID MEASURES of DI ISO BUTYL PHTHALATE (DIBP):
-Description of first-aid measures:
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation: 
Fresh air. 
Call in physician.
*In case of skin contact: 
Take off immediately all contaminated clothing. 
Rinse skin with water/ shower. 
Consult a physician.
*In case of eye contact:
After eye contact: 
Rinse out with plenty of water. 
Call in ophthalmologist. 
Remove contact lenses.
*If swallowed:
After swallowing: 
Immediately make victim drink water (two glasses at most). 
Consult a physician.
-Indication of any immediate medical attention and special treatment needed
No data available

ACCIDENTAL RELEASE MEASURES of DI ISO BUTYL PHTHALATE (DIBP):
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains. 
Collect, bind, and pump off spills. 
Observe possible material restrictions. 
Take up carefully with liquid-absorbent material. 
Dispose of properly. 
Clean up affected area.

FIRE FIGHTING MEASURES of DI ISO BUTYL PHTHALATE (DIBP):
-Extinguishing media:
*Suitable extinguishing media:
Water 
Foam 
Carbon dioxide (CO2) 
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.

EXPOSURE CONTROLS/PERSONAL PROTECTION of DI ISO BUTYL PHTHALATE (DIBP):
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection
Safety glasses
*Skin protection:
required
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter type ABEK
-Control of environmental exposure:
Do not let product enter drains

HANDLING and STORAGE of DI ISO BUTYL PHTHALATE (DIBP):
-Precautions for safe handling:
*Advice on safe handling:
Work under hood.
*Hygiene measures:
Immediately change contaminated clothing. 
Apply preventive skin protection. 
Wash hands and face after working with substance.
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed. 
Keep in a well-ventilated place. 
Keep locked up or in an area accessible only to qualified or authorized persons.

STABILITY and REACTIVITY of DI ISO BUTYL PHTHALATE (DIBP):
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature) .
-Possibility of hazardous reactions:
No data available

 
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