DIDECYL PHTHALATE

Didecyl phthalate helps enhance the flexibility, toughness, and service life of a wide range of plastic and elastomeric materials.
Didecyl phthalate's low evaporation tendency supports stable performance in applications exposed to prolonged use or moderately elevated temperatures.
Didecyl phthalate is commonly selected for industrial formulations requiring efficient plasticization with good compatibility and processing characteristics.

CAS Number: 84-77-5
EC Number: 201-557-4
Molecular Formula: C28H46O4
Molecular Weight: 446.67 g/mol

Synonyms: Didecyl phthalate, 84-77-5, Decyl phthalate, Di-n-decyl phthalate, Vinicizer 105, Vinysize 105, Phthalic acid, didecyl ester, Didecyl 1,2-Benzenedicarboxylate, 1,2-Benzenedicarboxylic acid, didecyl ester, didecyl benzene-1,2-dicarboxylate, DTXSID3026512, AI3-02692 (USDA), FI5FBN947Z, NSC-15319, DTXCID706512, RefChem:133271, 201-561-6, MFCD00041915, C28H46O4, EINECS 201-561-6, Didecyl phthalate (~90%), Phthalic acid, bis-n-decyl ester, SCHEMBL49699, 1,2-Benzenedicarboxylic acid, 1,2-didecyl ester, Didecyl phthalate, analytical standard, NCGC00248608-01, Q27116217, Bis(n-decyl) phthalate, HSDB 5248, NSC 15319, UNII-FI5FBN947Z, BRN 1893077, AI3-02692, Di-n-decylphthalat, Bis(n-decyl)phthalate, WLN: 10OVR BVO10, Phthalic acid, bis-n-decyl es, NLA-40, orb1705694, orb3025675, CHEMBL3182119, SCHEMBL29369684, CHEBI:34676, MSK1132, NSC15319, Tox21_200427, CS-W011591, DS-4789, CAS-84-77-5, NCGC00257981-01, SY066699, DB-264769, NS00019631, A11659, T20335, 1,2-Benzenedicarboxylic acid, didecyl ester (iso), F791139, Phthalic acid, bis-n-decyl ester 100 |Ig/mL in Acetonitrile, Phthalic acid, bis-n-decyl ester 100 microg/mL in Acetonitrile, 1,2-Didecyl Ester 1,2-Benzenedicarboxylic Acid, Phthalic Acid Didecyl Ester, Bis(n-decyl)phthalate, DDP, Decyl Phthalate, NSC 15319, Vinycizer 105, 1,2-Benzenedicarboxylic acid, didecyl ester, 10OVR BVO10, 201-561-6, 84-77-5, didecyl benzene-1,2-dicarboxylate, Didecyl phthalate, Didecyl-phthalat, Phtalate de didécyle, Unverified, 1,2-Benzenedicarboxylic acid didecyl ester, 1,2-Benzenedicarboxylic acid didecylester, 1,2-bis(decyl) benzene-1,2-dicarboxylate, 1276197-18-2, 4-09-00-03186, 90732-58-4, AI3-02692 (USDA), benzene-1,2-dicarboxylic acid didecyl ester, Bis(n-decyl) phthalate, Bis(n-decyl)phthalate, butanoic acid; (2S)-2,6-diaminohexanoic acid, decyl 2-(decyloxycarbonyl)benzoate, Decyl phthalate, Di-n-decyl phthalate, Di-n-decyl Phthalate-[d4], Di-n-decylphthalat, Didecyl 1,2-Benzenedicarboxylate, Didecylphthalate, EINECS 201-561-6, phthalic acid didecyl ester, Phthalic Acid Didecyl Ester D4, Phthalic acid, bis-n-decyl ester, Phthalic acid, didecyl ester

Didecyl phthalate belongs to the class of phthalate esters widely used as plasticizers in plastic films.
Didecyl phthalate, with the CAS number 84-77-5, is an organic compound belonging to the phthalate family, which are esters of phthalic acid.
Didecyl phthalate is characterized by its clear, colorless to pale yellow liquid form and is known for its low volatility and high thermal stability.

Didecyl phthalate is primarily used as a plasticizer, enhancing the flexibility and durability of various polymers, particularly polyvinyl chloride (PVC).
Didecyl phthalate's chemical structure consists of two decyl groups attached to the phthalate moiety, contributing to its hydrophobic nature.

Didecyl phthalate exhibits good compatibility with a range of materials and is often utilized in applications such as coatings, adhesives, and sealants.
While Didecyl phthalate is considered to have low acute toxicity, concerns regarding its potential endocrine-disrupting effects and environmental persistence have led to increased scrutiny and regulation in some regions.
Overall, Didecyl phthalate serves as an important industrial chemical, balancing performance with environmental considerations.

Didecyl phthalate is a phthalate ester produced by esterification of phthalic acid or phthalic anhydride with decyl alcohol.
Didecyl phthalate is generally supplied as a clear to pale yellow oily liquid with low volatility and good compatibility with many polymeric materials.

Didecyl phthalate is primarily used as a plasticizer to improve flexibility, softness, processability, and durability in polymer formulations.
Didecyl phthalate may be incorporated into PVC, synthetic rubber, coatings, adhesives, sealants, and related industrial products where a relatively high-molecular-weight plasticizer is required.

Didecyl phthalate's low volatility and hydrophobic character make it suitable for applications requiring long-term flexibility and resistance to migration or evaporation under normal service conditions.
Didecyl phthalate is a primary plasticizer for vinyl resins and also shown to be compatible with polystyrene and cellulosics.

Applications of Didecyl Phthalate:
Didecyl phthalate is primarily used as a plasticizer in PVC and other flexible polymer formulations.
Didecyl phthalate is applied in synthetic rubber products to improve flexibility, softness, and processing characteristics.

Didecyl phthalate is used in coatings, paints, and protective finishes where improved film flexibility is required.
Didecyl phthalate can be incorporated into adhesives and sealants to enhance workability and mechanical performance.

Didecyl phthalate is used in cable, wire, flooring, sheet, and other flexible plastic applications.
Didecyl phthalate may be employed in industrial polymer formulations where low volatility and long-term plasticizing performance are desired.

Didecyl phthalate has been used as stationary liquid phase in the analysis and separation of terpene hydrocarbons and other related compounds using gas chromatography method (GC).
Didecyl phthalate may be used as an analytical reference standard for the quantification of the analyte in environmental samples, plastics and agricultural plastic films using various chromatography techniques.

Didecyl phthalate has low volatility, only a quarter of that of dioctyl phthalate (DOP), and has low migration and good resistance to extraction.
Didecyl phthalate can be used as a plasticizer for vinyl resins and cellulose resins.

Didecyl phthalate is also used as a stationary liquid for gas chromatography, with a maximum use temperature of 150 °C, and the solvent is acetone, chloroform or methanol.
Didecyl phthalate can selectively retain and separate aromatic compounds, unsaturated compounds and various oxygen-containing compounds (alcohols, aldehydes, ketones and esters). etc.), halogenated hydrocarbons and hydrocarbon compounds below G.

Didecyl phthalate is used as plasticizer (especially for vinyl resins).
Didecyl phthalate is also used to make electric cables and plastisols.
Didecyl phthalate is a primary plasticizer for vinyl resins and also shown to be compatible with polystyrene and cellulosics.

Preparation of Didecyl Phthalate:
Didecyl phthalate is synthesized by esterification of phthalic anhydride and decyl alcohol.
The production methods of phthalate plasticizers are common, see the production method of dioctyl phthalate.
In actual industrial products, there is no complete linear Didecyl phthalate is a mixture of branched chain esters, but the ratio of isomers is different.

Stability and Reactivity of Didecyl Phthalate:

Chemical Stability:
Stable under recommended storage and handling conditions.

Reactivity:
May react with strong oxidizing agents.

Conditions to Avoid:
Excessive heat, open flames, ignition sources, and prolonged exposure to incompatible materials.

Incompatible Materials:
Strong oxidizing agents, strong acids, and strong bases.

Handling and Storage of Didecyl Phthalate:

Safe Handling:
Avoid contact with skin and eyes and prevent unnecessary vapor or mist formation.

Storage Conditions:
Store tightly closed in a cool, dry, well-ventilated place away from heat and incompatible substances.

First Aid Measures of Didecyl Phthalate:

Inhalation:
Move the affected person to fresh air and seek medical attention if symptoms persist.

Skin Contact:
Wash thoroughly with soap and water and remove contaminated clothing.

Eye Contact:
Rinse cautiously with plenty of water for several minutes and obtain medical attention if irritation continues.

Ingestion:
Rinse mouth and seek medical advice if a significant amount has been swallowed.

Firefighting Measures of Didecyl Phthalate:

Suitable Extinguishing Media:
Use foam, dry chemical, carbon dioxide, or water spray as appropriate.

Specific Hazards:
Combustion may produce carbon monoxide, carbon dioxide, and irritating fumes.

Protective Equipment:
Firefighters should wear suitable protective equipment and self-contained breathing apparatus.

Accidental Release Measures of Didecyl Phthalate:

Personal Precautions:
Avoid direct contact, ensure adequate ventilation, and use appropriate protective equipment.

Cleanup Methods:
Absorb with inert material such as sand, earth, or vermiculite and transfer to a suitable waste container.

Environmental Precautions:
Prevent large quantities from entering drains, soil, or surface waters.

Exposure Controls/Personal Protection of Didecyl Phthalate:

Engineering Controls:
Provide adequate general or local exhaust ventilation.

Eye Protection:
Wear chemical safety goggles.

Hand Protection:
Wear suitable chemical-resistant gloves.

Skin Protection:
Wear appropriate protective clothing.

Respiratory Protection:
Use suitable respiratory protection where ventilation is inadequate or mists are generated.

Identifiers of Didecyl Phthalate:
Product Number: D6642
Purity / Analysis Method: >95.0%(GC)(qNMR)
Molecular Formula / Molecular Weight: C28H46O4 = 446.67 
Physical State (20 deg.C): Liquid
Storage Temperature: Room Temperature (Recommended in a cool and dark place, <15°C)
CAS RN: 84-77-5
Reaxys Registry Number: 1893077
MDL Number: MFCD00041915

CAS Number: 84-77-5
EC Number: 201-557-4
Molecular Formula: C28H46O4
Molecular Weight: 446.67 g/mol
IUPAC Name: Didecyl benzene-1,2-dicarboxylate
Chemical Family: Phthalate ester

CAS No.: 84-77-5
Chemical Name: Didecyl phthalate
CBNumber: CB9854462
Molecular Formula: C28H46O4
Molecular Weight: 446.66
MDL Number: MFCD00041915

CAS: 84-77-5
Molecular Formula: C28H46O4
Molecular Weight: (g/mol) 446.67
MDL Number: MFCD00041915
InChI Key: PGIBJVOPLXHHGS-UHFFFAOYSA-N
PubChem CID: 6788
ChEBI CHEBI:34676
IUPAC Name: didecyl benzene-1,2-dicarboxylate
SMILES: CCCCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCCCC

Linear Formula: C6H4[COO(CH2)9CH3]2
CAS Number: 84-77-5
Molecular Weight: 446.66
UNSPSC Code: 41116107
NACRES: NA.24
PubChem Substance ID: 329755545
EC Number: 201-561-6
Beilstein/REAXYS Number: 1893077
MDL number: MFCD00041915

Properties of Didecyl Phthalate:
Appearance: Clear, colorless to pale yellow oily liquid
Odor: Mild characteristic odor
Physical Form: Liquid
Molecular Weight: 446.67 g/mol
Solubility: Practically insoluble in water; soluble in many organic solvents
Density: approx. 0.96–0.98 g/cm³

grade: analytical standard
Quality Segment: 100
shelf life: limited shelf life, expiry date on the label
technique(s): HPLC: suitable, gas chromatography (GC): suitable
format: neat
SMILES string: CCCCCCCCCCOC(=O)c1ccccc1C(=O)OCCCCCCCCCC
InChI: 1S/C28H46O4/c1-3-5-7-9-11-13-15-19-23-31-27(29)25-21-17-18-22-26(25)28(30)32-24-20-16-14-12-10-8-6-4-2/h17-18,21-22H,3-16,19-20,23-24H2,1-2H3
InChI key: PGIBJVOPLXHHGS-UHFFFAOYSA-N

Melting point: 4 °C
Boiling point: 261 °C (5 mmHg)
Density: 0.97
refractive index: 1.479-1.484
Flash point: 232 °C
storage temp.: Sealed in dry,Room Temperature
solubility: Chloroform (Sparingly), Ethyl Acetate (Slightly), Methanol (Slightly)
form: Liquid
color: Clear
Viscosity: 55cs (25C)
Water Solubility: 0.33mg/L(24 ºC)
BRN: 1893077
Henry's Law Constant: 4.6×10-2 mol/(m3Pa) at 25℃, Cousins and Mackay (2000)

Molecular Weight: 446.7 g/mol
XLogP3: 11.2
Hydrogen Bond Donor Count: 0
Hydrogen Bond Acceptor Count: 4
Rotatable Bond Count: 22
Exact Mass: 446.33960994 Da
Monoisotopic Mass: 446.33960994 Da
Topological Polar Surface Area: 52.6 Ų
Heavy Atom Count: 32
Complexity: 420
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
Compound Is Canonicalized: Yes

Boiling Point: 245 °C/3 mmHg
Flash point: 200 °C
Specific Gravity (20/20): 0.96

Specifications of Didecyl Phthalate:
Appearance: Colorless to Yellow clear liquid
Purity(GC): min. 95.0 %
Purity(qNMR): min. 95.0 %
NMR: confirm to structure