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tert-Butyl peroxyisobutyrate (CAS 109-13-7)

109-13-7C8H16O34 suppliers4 products100%
Hazard Class:
Hazard Class 5.2
GHS Symbols:
GHS01
GHS02
GHS08
GHS09
GHS06
Overview & Applications

tert-Butyl peroxyisobutyrate (CAS 109-13-7) is an organic peroxide compound with molecular formula C8H16O3 and molecular weight 160.21. Also known as t-Butyl perisobutyrate, tert-Butyl perisobutyrate, t-Butyl peroxyisobutyrate. It typically appears in liquid form.

tert-Butyl peroxyisobutyrate (CAS number: 109-13-7) is an industrial-grade chemical raw material that ensures a uniform molecular weight distribution of the final polymer while providing an excellent free radical generation rate. It is widely applied in PVC production, styrene polymerization, and modified plastic formulations. 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 4 products from 4 verified manufacturers.

Other Names & Identifiers

CAS 109-13-7 is also known as:

  • t-Butyl perisobutyrate
  • tert-Butyl perisobutyrate
  • t-Butyl peroxyisobutyrate
  • tert-butyl peroxyisobutyrate
  • tert.-Butylperoxyisobutyrat
  • TBPIB
Basic Information

CAS Number

109-13-7

Molecular Formula

C8H16O3

Molecular Weight

160.21

EINECS Number

203-650-5

MDL Number

MFCD00008821

BRN Number

1744122

Chemical Name

tert-Butyl peroxyisobutyrate

Last Updated

-

Aliases

t-Butyl perisobutyrate
tert-Butyl perisobutyrate
t-Butyl peroxyisobutyrate
tert-butyl peroxyisobutyrate
tert.-Butylperoxyisobutyrat
TBPIB
Physical and Chemical Properties

Appearance

Colorless to pale yellow liquid

Appearance State

Liquid. Slightly soluble in water.

Color

Colorless

Odor

Faint ester-like odor

Form

Liquid

Melting Point

< -25 (est.)

Boiling Point

45-47 at 29 mmHg

Flash Point

50.6

Density

1.023 (predicted)

Vapor Density

>1 (air=1)

Vapor Pressure

5.04 hPa @ 37°C

Refractive Index

1.4370 (est.)

LogP Value

2.68 @ 25 °C

Merck Index

Not Listed

Solubility

3.96 g/L at 20°C

Water Solubility

3.96 g/L @ 20°C

Solubility Detail

Solubility in water is 3.96 g/L (20°C).

Storage Conditions

Store in a cool, well-ventilated place, avoid contact with reducing agents, acids, bases, metal salts, etc.

InChI Key

ZWAPGVTNTVXMNB-UHFFFAOYSA-N

Safety Data

GHS Hazard Symbols

GHS01
GHS02
GHS08
GHS09
GHS06

Hazard Class

Hazard Class 5.2

Signal Word

Danger

Hazard Symbols

O

Risk Codes

R7, R10, R22

UN Number

UN 2142/2562

IARC Classification

Not Classified

WGK Germany

1

RTECS Number

-

Auto-ignition Temperature

ca. 180

TSCA Listed

Listed (Active)

Packing Group

II

Customs Code

2918300090

Occupational Exposure Band (OEB)

Not Specified

Occupational Exposure Limit (OEL)

Not Specified

Immediately Dangerous to Life or Health (IDLH)

Not Specified

Hazard Statements

H241,H304,H331,H411

Safety Statements

S3/7, S14, S16, S36/37

Suppliers & Products (4 suppliers, 4 products)

4 verified suppliers offering 4 products for tert-Butyl peroxyisobutyrate (CAS 109-13-7). 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
Lanzhou Auxiliary Agent Plant Co., Ltd.LQ-TBPI-In Production
NOF CORPORATIONPERBUTYL IB74%LiquidIn Production
Nouryon Chemicals International B.V.Trigonox 41-C5050%LiquidImported
GO YEN CHEMICAL INDUSTRIAL CO., LTD.GYC TBPI50%LiquidIn Production

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