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t-Hexyl peroxypivalate (CAS 51938-28-4)

51938-28-4C11H22O32 suppliers2 products100%
Hazard Class:
Hazard Class 5.2
GHS Symbols:
GHS02
GHS07
Overview & Applications

t-Hexyl peroxypivalate (CAS 51938-28-4) is an organic peroxide compound with molecular formula C11H22O3 and molecular weight 202.29058. Also known as t-Hexyl peroxypivalate, 2,2-Dimethyl propaneperoxoic acid tert-hexyl ester, tert-Hexyl peroxypivalate. It typically appears in liquid form.

t-Hexyl peroxypivalate (CAS number: 51938-28-4) is an high-performance chemical raw material that is widely applied in the curing of synthetic resins and high-temperature crosslinking of elastomers, making it an industry-preferred additive. It is particularly suitable for manufacturing wire and cable insulation and vulcanizing rubber products. Its exceptional chemical characteristics give it an important position in modern industrial formulations, providing enterprises with highly efficient product solutions.

Below you can find its complete physical and chemical properties, safety data, GHS hazard classifications, and a catalog of 2 products from 2 verified manufacturers.

Other Names & Identifiers

CAS 51938-28-4 is also known as:

  • t-Hexyl peroxypivalate
  • 2,2-Dimethyl propaneperoxoic acid tert-hexyl ester
  • tert-Hexyl peroxypivalate
Basic Information

CAS Number

51938-28-4

Molecular Formula

C11H22O3

Molecular Weight

202.29058

EINECS Number

257-534-1

MDL Number

MFCD00078025

BRN Number

2720499

Chemical Name

t-Hexyl peroxypivalate

Last Updated

-

Aliases

t-Hexyl peroxypivalate
2,2-Dimethyl propaneperoxoic acid tert-hexyl ester
tert-Hexyl peroxypivalate
Physical and Chemical Properties

Appearance

Colorless to slightly yellow liquid

Appearance State

Liquid. Insoluble in water.

Color

Colorless

Odor

Faint characteristic odor

Form

Liquid

Melting Point

< -20

Boiling Point

decomposes

Flash Point

ca. 68 (c.c.)

Density

ca. 0.89 @ 20 °C

Vapor Density

7.0 (air=1)

Vapor Pressure

3.9 Pa @ 20°C

Refractive Index

ca. 1.424 @ 20°C

LogP Value

4.1 @ 20 °C

Merck Index

Not Listed

Solubility

Practically insoluble in water, soluble in most organic solvents.

Water Solubility

24 mg/L @ 20°C

Solubility Detail

Practically insoluble in water, soluble in most organic solvents.

Storage Conditions

Store at controlled temperature (usually below 10-15°C), away from heat, strong acids, strong bases, and reducing agents.

InChI Key

VJQHCDAFJVGYTF-UHFFFAOYSA-N

Safety Data

GHS Hazard Symbols

GHS02
GHS07

Hazard Class

Hazard Class 5.2

Signal Word

Warning

Hazard Symbols

O

Risk Codes

R7, R10, R36/37/38

UN Number

UN 3107

IARC Classification

Not Classified

WGK Germany

3

RTECS Number

-

Auto-ignition Temperature

ca. 190

TSCA Listed

Listed (Active)

Packing Group

II

Customs Code

2909600000

Occupational Exposure Band (OEB)

Not Specified

Occupational Exposure Limit (OEL)

Not Specified

Immediately Dangerous to Life or Health (IDLH)

Not Specified

Hazard Statements

H242,H302,H315,H319

Precautionary Statements

P210,P234,P280,P411

Safety Statements

S3/7, S14, S16, S26, S36/37/39

Suppliers & Products (2 suppliers, 2 products)

2 verified suppliers offering 2 products for t-Hexyl peroxypivalate (CAS 51938-28-4). Compare equivalent grades across brands (e.g., Trigonox vs Luperox) by assay, physical form, and availability from trusted manufacturers and distributors worldwide.

Company NameProduct ModelAssayPhysical FormStatus
Changshu NOF Chemical Co.,Ltd.PERHEXYL PV-7070%-In Production
NOF CORPORATIONPERHEXYL PV70%LiquidIn Production

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