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Tert-Butyl Peroxypivalate is used for the polymerization of high pressure ethylene in combination with peroxides with higher thermal stability.
Tert-Butyl Peroxypivalate is used for the polymerization of vinyl chloride: this product is suitable for the temperature of 50-700C of vinyl chloride suspension polymerization process.
Tert-Butyl Peroxypivalate can be used for the suspension polymerization initiator of acrylate and methacrylate.
CAS Number: 927-07-1
EC Number 213-147-2
Molecular Formula: C₉H₁₈O₃
Molecular Weight: ≈ 174.24 g/mol
SYNONYMS:
esperox31m, lupersol11, trigonox25/75, trigonox25-c75, InitiatingAgentPV, 75% in mineral spirits, butyl peroxypivalate, t-butyl peroxypivalate, tert-Butyl peroxypivalate, peroxypivalic acid, tert-butyl ester, Propaneperoxoic acid, 2,2-dimethyl-, 1,1-dimethylethyl ester, t-butylperoxopyvalate, tert-Butyl peroxypivalate, t-Butyl peroxypivalate, tert-butyl 2,2-dimethylpropaneperoxoate, Trigonox 25-C75, PROPANEPEROXOIC ACID, 2,2-DIMETHYL-, 1,1-DIMETHYLETHYL ESTER, EINECS 213-147-2, t-butyl perpivalate, BRN 1704745, M0P448E3Y6, DTXSID2027339, EC 213-147-2, BUTYL PEROXYPIVALATE, TERT-, 4-02-00-00912 (Beilstein Handbook Reference), PIVALOYL TERT-BUTYL PEROXIDE, TERT-BUTYL TERT-VALERYL PEROXIDE, TERT-BUTYL 2,2-DIMETHYLPEROXYPROPIONATE, TERT-BUTYL PEROXYPIVALATE, (<= 77% IN SOLUTION), TERT-BUTYL PEROXYPIVALATE, [<= 77% IN SOLUTION], KAYAESTER P, PERBUTYL PV, RefChem:188219, KAYAESTER P 70, TRIGONOX 25C75, TRIGONOX 25W33, DTXCID807339, BUTYL PEROXYPIVALATE (TERTIARY), <=77% IN SOLUTION, 213-147-2, 927-07-1, Lupersol 11, Esperox 31M, tert-Butyl perpivalate, Peroxypivalic acid, tert-butyl ester, tert-Butyl trimethylperoxyacetate, Trigonox 25/75, tert.-butylperpivalat, SCHEMBL15165, UNII-M0P448E3Y6, AKOS006274845, NS00011497, 2,2-Dimethyl-propaneperoxoic acid tert-butyl ester, 927B071, Propaneperoxoic acid, 2,2-dimethyl-, 1,1-dimethylethyl ester, Peroxypivalic acid, tert-butyl ester, tert-Butyl perpivalate, Lupersol 11, Trigonox 25/75, tert-Butyl peroxypivalate, tert-Butyl 2,2-dimethylperoxypropionate, tert-Butyl trimethylperoxyacetate, tert-Butyl 2,2-dimethylpropaneperoxoate, Esperox 31M, tert-Butyl tert-valeryl peroxide, Perbutyl PV, Kayaester P, Kayaester P 70, Trigonox 25C75, Trigonox 25W33, Luperox 11M75, t-Butyl peroxypivalate, Trigonox 25, Luperox 11, t-Butyl perpivalate, Pivaloyl tert-butyl peroxide, TBPV, TX 25, C 32, Tert-Butyl peroxypivalate, TBPPI 75AL, esperox31m, lupersol11, trigonox25/75, trigonox25-c75, InitiatingagentPV, 75%inmineralspirit, butyl peroxypivalate, t-butylperoxypivalate, t-butylperoxypyvalate, tert-Butyl peroxypivalate, tert-Butyl peroxypivalate, t-Butyl peroxypivalate, tert-butyl 2,2-dimethylpropaneperoxoate, Trigonox 25-C75, PROPANEPEROXOIC ACID, 2,2-DIMETHYL-, 1,1-DIMETHYLETHYL ESTER, EINECS 213-147-2, t-butyl perpivalate, BRN 1704745, M0P448E3Y6, DTXSID2027339, EC 213-147-2, BUTYL PEROXYPIVALATE, TERT-, 4-02-00-00912 (Beilstein Handbook Reference), PIVALOYL TERT-BUTYL PEROXIDE, TERT-BUTYL TERT-VALERYL PEROXIDE, TERT-BUTYL 2,2-DIMETHYLPEROXYPROPIONATE, TERT-BUTYL PEROXYPIVALATE, (<= 77% IN SOLUTION), TERT-BUTYL PEROXYPIVALATE, [<= 77% IN SOLUTION], KAYAESTER P, PERBUTYL PV, KAYAESTER P 70, TRIGONOX 25C75, TRIGONOX 25W33, DTXCID807339, BUTYL PEROXYPIVALATE (TERTIARY), <=77% IN SOLUTION, 213-147-2, 927-07-1, Lupersol 11, Esperox 31M, tert-Butyl perpivalate, Peroxypivalic acid, tert-butyl ester, tert-Butyl trimethylperoxyacetate, Trigonox 25/75, tert.-butylperpivalat, SCHEMBL15165, UNII-M0P448E3Y6, AKOS006274845, NS00011497, 2,2-Dimethyl-propaneperoxoic acid tert-butyl ester, t-Butyl peroxypivalate, Peroxypivalic acid, tert-butyl ester
Tert-Butyl Peroxypivalate is an initiator (40% active ingredient in isododecane) for (co)polymerization of ethylene.
Polyethylene (LDPE).
Tert-Butyl Peroxypivalate is used for both tubular and autoclave processes.
In most cases, a combination with other peroxides, Tert-Butyl Peroxypivalate, is used to ensure a broad reactivity range.
Tert-butyl peroxypivalate, also known as TBPP, is a perester compound with various industrial applications due to its properties.
Tert-Butyl Peroxypivalate is colorless, mobile liquid containing 75% of tert-butyl peroxyterpentyl ester sensitized to inhibition via aliphatic hydrocarbons.
Tert-butyl peroxypivalate is a colorless liquid that solidifies below -19 °C.
Tert-Butyl Peroxypivalate decomposes at 70 °C.
Tert-Butyl Peroxypivalate is a colorless to light yellow liquid.
Tert-Butyl Peroxypivalate is a colorless liquid that solidifies below -19°C.
Tert-Butyl Peroxypivalate is insoluble in water.
Tert-Butyl Peroxypivalate is a highly efficient organic peroxide initiator widely used in polymerization reactions.
With the molecular formula C9H18O3 and IUPAC name tert-butyl 2,2-dimethylpropaneperoxoate, Tert-Butyl Peroxypivalate is a clear, colorless to pale yellow liquid with a characteristic odor.
Tert-Butyl Peroxypivalate is commonly supplied as a solution in aliphatic hydrocarbons (e.g., 75% active in odorless mineral spirits) for enhanced handling safety and stability.
Tert-Butyl Peroxypivalate is a thermally sensitive compound that decomposes exothermically to generate free radicals, making it ideal for initiating radical polymerization of ethylene, styrene, acrylates, and other monomers.
Tert-Butyl Peroxypivalate is particularly valued for its controlled decomposition rate at moderate temperatures (50-80°C), ensuring efficient initiation with minimal side reactions.
Suitable for bulk, solution, and suspension polymerization processes, Tert-Butyl Peroxypivalate is stored under refrigeration (2-8°C) to maintain stability and shipped with appropriate safety labeling.
Always handle with proper personal protective equipment (PPE) and adhere to strict storage guidelines due to its flammable and reactive nature.
Tert-Butyl Peroxypivalate also finds application in the synthesis of polystyrene and acrylic resins, contributing to tailored molecular weights and polymer architectures.
Additionally, Tert-Butyl Peroxypivalate serves as a crosslinking agent for elastomers and thermosetting resins in specialty coatings and adhesives.
USES and APPLICATIONS of TERT-BUTYL PEROXYPIVALATE:
Tert-Butyl Peroxypivalate is a highly efficient initiator for the polymerization of ethylene, used in high-pressure tubular and stirred reactor processes.
Tert-Butyl Peroxypivalate functions as an effective initiator in the suspension polymerization of vinyl chloride (PVC), particularly at temperatures between 50-70°C.
Tert-Butyl Peroxypivalate is also used as an initiator in the suspension polymerization of acrylates and methacrylates, as well as in non-aqueous dispersions for coating production.
Additionally, Tert-Butyl Peroxypivalate is an important initiator for EVA (ethylene-vinyl acetate) polymerization.
Tert-Butyl Peroxypivalate acts as a curing agent for unsaturated polyester resins at medium temperatures, typically between 80-100°C, making it suitable for hot press molding processes.
When added to oils, Tert-Butyl Peroxypivalate significantly enhances their quality.
Applications of Tert-Butyl Peroxypivalate: LDPE Production, Vinyl Chloride Polymerization, Suspension Polymerization, and Polymer Crosslinking.
This branch of fatty peroxides is commonly used as an initiator (source of free radicals) for the polymerization of monomers such as ethylene, vinyl chloride, and vinyl acetate.
Tert-Butyl Peroxypivalate is used for the polymerization of high pressure ethylene in combination with peroxides with higher thermal stability.
Tert-Butyl Peroxypivalate is suitable for temperatures in the range 130-190°C.
Tert-Butyl Peroxypivalate is an efficient initiator for high pressure tube or kettle polymerization of ethylene.
Tert-Butyl Peroxypivalate is used for the polymerization of vinyl chloride: this product is suitable for the temperature of 50-700C of vinyl chloride suspension polymerization process.
Tert-Butyl Peroxypivalate can be used for the suspension polymerization initiator of acrylate and methacrylate.
Tert-Butyl Peroxypivalate can also be used for the polymerization of acrylic esters in solution and non-aqueous dispersion to produce coatings.
Tert-Butyl Peroxypivalate is also an important initiator of vinyl acetate (EVA).
Tert-Butyl Peroxypivalate is medium temperature curing agent of unsaturated polyester, curing temperature is 80-100 0C, suitable for hot pressing molding process.
Tert-Butyl Peroxypivalate will greatly improve the quality of oil products when it is added into oil products.
Key applications of Tert-Butyl Peroxypivalate: Industrial Chemicals, Organic Intermediates, Textile Auxiliaries, Resin & Rubber, and Packaging
Tert-Butyl Peroxypivalate can be used for the market segments: polymer production and acrylics production with their different applications/functions.
Tert-Butyl Peroxypivalate is used as a polymerization initiator (radical initiator) for monomers such as ethylene, vinyl chloride, and others.
Tert-Butyl Peroxypivalate is used in industrial processes, especially where low-temperature initiation of free radical reactions is needed.
Tert-Butyl Peroxypivalate is used as a polymerization initiator.
Tert-Butyl Peroxypivalate is used as a low-temperature initiator for polymerising Ethylene, Vinyl Chloride, and other compounds.
Tert-Butyl Peroxypivalate is used polymerization initiator.
t-Butyl peroxypivalate is used as a polymerizationinitiator to make acrylic polymers.
Tert-Butyl Peroxypivalate is primarily used as a free-radical initiator in the polymerization of ethylene, vinyl monomers, and acrylic esters.
Tert-Butyl Peroxypivalate is particularly effective in high-pressure LDPE (low-density polyethylene) production, where its moderate decomposition temperature ensures controlled reaction kinetics.
KEY CHARACTERISTICS / BENEFITS of TERT-BUTYL PEROXYPIVALATE:
Tert-Butyl Peroxypivalate provides low temperature radical initiation: useful in polymerization processes that require controlled initiation at lower temperatures.
As a perester, Tert-Butyl Peroxypivalate offers different decomposition rates / half-life than peroxides, giving flexibility in process design.
Fair stability under storage when kept cold, protected, making Tert-Butyl Peroxypivalate manageable in industrial settings.
Moderate log P indicates some partitioning into organic phases, which may be advantageous in certain reaction media.
CHEMICAL PROPERTIES of TERT-BUTYL PEROXYPIVALATE:
Tert-Butyl Peroxypivalate is a colorless liquid.
Tert-Butyl Peroxypivalate is insoluble in water and ethylene glycol; soluble in most organic solvents.
MARKETS of TERT-BUTYL PEROXYPIVALATE:
*Coatings, Adhesives, Solvents, Elastomers
*Industrial Chemicals
CHARACTERISTICS of TERT-BUTYL PEROXYPIVALATE:
Highly efficient, liquid, easily mixed with high boiling point aliphatic hydrocarbons.
For vinyl chloride, Tert-Butyl Peroxypivalate can be used for bulk or suspension polymerization in the temperature range of 50-65°C.
Tert-Butyl Peroxypivalate is suitable for polymerization of other monomers such as acrylonitrile, (meth)acrylates and vinyl acetate in the temperature range of 50-80°C.
Combined with more thermally stable peroxides the residual monomer content in the polymer can be reduced.
Efficient initiator for the production of Low Density Polyethylene (LDPE).
Tert-Butyl Peroxypivalate is used as an initiator for the suspension polymerization of vinyl chloride in the temperature range between 50°C.
STORAGE of TERT-BUTYL PEROXYPIVALATE:
Store Tert-Butyl Peroxypivalate in a cool and ventilated space with the warehouse temperature not exceeding -15°c.
Keep Tert-Butyl Peroxypivalate away from fire and heat.
Tert-Butyl Peroxypivalate should be separated from acids, reducing agents, inflammables, combustibles, reducing agents, etc.
KEY FEATURES of TERT-BUTYL PEROXYPIVALATE:
*Purity: 75%
*Active Oxygen: 7.5-8.0%
*Tert-Butyl Peroxypivalate is a clear to pale yellow liquid
*Store Tert-Butyl Peroxypivalate below 0°C away from fire and heat sources
PHYSICAL and CHEMICAL PROPERTIES of TERT-BUTYL PEROXYPIVALATE:
Appearance: Colorless to light yellow liquid
Physical State at Room Temperature: Liquid; solidifies / freezes below about −19 °C
Melting Point (Freezing Point): ≈ -17 to -19 °C
Boiling Point: Estimate ~ 245.2 °C
Density: ~ 0.854 g/cm³ (liquid)
Vapor Pressure: ≈ 4.02 hPa at 38 °C
Refractive Index: ~ 1.410
Flash Point: ~ 68-71 °C
Solubility: Insoluble in water; soluble in most organic solvents; insoluble in water and ethylene glycol;
colorless liquid that is insoluble in water
Log P (Octanol-Water Partition Coefficient): ~ 3.17 at 25 °C
Molecular Weight: 174.24 g/mol
XLogP3-AA: 2.5
Hydrogen Bond Donor Count: 0
Hydrogen Bond Acceptor Count: 3
Rotatable Bond Count: 4
Exact Mass: 174.125594432 Da
Monoisotopic Mass: 174.125594432 Da
Topological Polar Surface Area: 35.5 Ų
Heavy Atom Count: 12
Formal Charge: 0
Complexity: 160
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
CBNumber: CB5506426
Molecular Formula: C9H18O3
MDL Number: MFCD00048254
MOL File: 927-07-1.mol
Melting Point: -17°C
Boiling Point: 245.22°C (rough estimate)
Density: 0.854
Vapor Pressure: 4.02 hPa at 38°C
Refractive Index: 1.410
Flash Point: 68~71℃
Water Solubility: insoluble
InChI: InChI=1S/C9H18O3/c1-8(2,3)7(10)11-12-9(4,5)6/h1-6H3
InChIKey: OPQYOFWUFGEMRZ-UHFFFAOYSA-N
SMILES: C(OOC(C)(C)C)(=O)C(C)(C)C
LogP: 3.17 at 25℃
FDA UNII: M0P448E3Y6
EPA Substance Registry System: Propaneperoxoic acid, 2,2-dimethyl-, 1,1-dimethylethyl ester (927-07-1)
CAS Number: 927-07-1
Complexity: 160
IUPAC Name: tert-butyl 2,2-dimethylpropaneperoxoate
Exact Mass: 174.125594432
Molecular Formula: C9H18O3
Molecular Weight: 174.24
SMILES: CC(C)(C)C(=O)OOC(C)(C)C
Topological: 35.5
Monoisotopic Mass: 174.125594432
Physical Description: Tert-butyl peroxypivalate is a colorless liquid that solidifies below -19 °C;
decomposes at 70 °C
Appearance: Colorless liquid
Density: 0.9092 g/cm³
Flash Point: 70 °C
Melting Point: -19 °C
Molecular Weight: 174.24
Purity: 99%
Refractive Index: 1.410
Appearance: colorless liquid
Peroxide Content: approx. 75% (mass %)
Active Oxygen Content: approximately 6.881 TP3T (mass %)
Inhibitors: High-boiling aliphatic hydrocarbons
Density (20°C): approx. 0.85 g/cm³
Viscosity (20°C): approx. 1.7 mPa·s
Refractive Index (20°C): approx. 1.414
SADT: approx. 25°C
Low Temperature Storage Stability: can be stored as liquid below -15°C
Recommended Storage Temperature: -15°C to -5°C
Maximum Transportation Temperature: 0°C
Storage Stability (Active): 3 months from date of delivery
InChI: InChI=1S/C9H18O3/c1-8(2,3)7(10)11-12-9(4,5)6/h1-6H3
InChIKey: OPQYOFWUFGEMRZ-UHFFFAOYSA-N
SMILES: O(C(C(C)(C)C)=O)OC(C)(C)C
Canonical SMILES: O=C(OOC(C)(C)C)C(C)(C)C
Density: 0.854 g/cm³
Boiling Point: 182.5°C at 760 mmHg
Melting Point: -17°C
Molecular Formula: C9H18O3
Molecular Weight: 174.23700
Flash Point: 68~71°C
Exact Mass: 174.12600
PSA: 35.53000
LogP: 2.30580
CAS Number: 927-07-1
Appearance: colorless, clear, oily liquid;
can be diluted using solvents such as isododecane or odorless mineral oil (OMS),
with other solvent options based on customer requirements
Solubility: Insoluble in water, soluble in most organic solvents
Freezing Point: < -17°C
Viscosity: 2.1 mPa·s (-10°C)
Chromaticity: 20 APHA
Purity: 75.0%
TBHP Content: 1000 mg/kg max
Inorganic/Organic Hydrolyzable Chloride: 150 mg/kg max
Theoretical Active Oxygen Content: 9.18%
Major Decomposition Products: tert-butyl alcohol, isobutyl ketone, isobutane, carbon dioxide
Activation Energy: 123.59 kJ/mol
Self-Accelerating Decomposition Temperature (SADT): 20°C
Compound Is Canonicalized: Yes
FIRST AID MEASURES of TERT-BUTYL PEROXYPIVALATE:
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with
water/ shower.
*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 TERT-BUTYL PEROXYPIVALATE:
-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 dry.
Dispose of properly.
Clean up affected area.
FIRE FIGHTING MEASURES of TERT-BUTYL PEROXYPIVALATE:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
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 TERT-BUTYL PEROXYPIVALATE:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.
HANDLING and STORAGE of TERT-BUTYL PEROXYPIVALATE:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.
STABILITY and REACTIVITY of TERT-BUTYL PEROXYPIVALATE:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available
