2,2'-Azobis(2-methylpropionitrile)

CAS: 78-67-1C8H12N42 suppliers3 productsCompleteness: 100%

Hazard Class:

GHS Symbols:

Basic Information

CAS Number

78-67-1

Molecular Formula

C8H12N4

Molecular Weight

164.21

EINECS Number

201-132-3

MDL Number

MFCD00013808

BRN Number

1760072

Chemical Name

2,2'-Azobis(2-methylpropionitrile)

Last Updated

7/29/2025

Aliases

2,2'-AZOBIS(2-METHYLPROPIONITRILE)

2,2-AZOBIS(2-METHYLPROPIONITRILE)

2,2'-AZOBISISOBUTYRONITRILE

2,2'-AZODIISOBUTYRONITRILE

2,2'-dicyano-2,2'-azopropane

2,2'-Dimethyl-2,2'-azodipropionitrile

A,A'-AZOISOBUTYRONITRILE

AIBN

ALPHA,ALPHA'-AZOBISISOBUTYRONITRILE

ALPHA,ALPHA-AZOBISISOBUTYRONITRILE

ALPHA,ALPHA'-AZO-DI-ISO-BUTYRONITRILE

ALPHA,ALPHA'-AZOISOBUTYRONITRILE

AZOBISISOBUTYRONITRILE

azodiisobutyrodinitrile

AZODI-ISO-BUTYRONITRILE

Physical and Chemical Properties

Appearance

White solid with a faint characteristic odor

Appearance State

Crystalline solid. Slightly soluble in water, soluble in methanol, acetone.

Color

White

Odor

Odorless

Form

Crystalline Solid/Powder

Melting Point

102-104 (dec. lit.)

Boiling Point

103 (dec.)

Flash Point

46 (c.c.)

Density

1.11

Vapor Density

>1 (air=1)

Vapor Pressure

0.81 Pa @ 24.85°C

Refractive Index

1.495 (20°C D)

LogP Value

1.1 @ 25 °C

Merck Index

973

Solubility

Insoluble in water, soluble in ethanol, ether, toluene, etc.

Water Solubility

insoluble in water

Solubility Detail

Soluble in chloroform (sparingly), methanol (sparingly).

Storage Conditions

Store at 2-8°C.

InChI Key

OZAIFHULBGXAKX-VAWYXSNFSA-N

Safety Data

GHS Hazard Symbols

Hazard Class

Signal Word

Danger

Hazard Symbols

Risk Codes

R2, R11, R20/22, R52/53

UN Number

UN 3234

IARC Classification

Not Classified

WGK Germany

RTECS Number

UG0800000

Auto-ignition Temperature

371

TSCA Listed

Listed (Active)

Packing Group

Customs Code

29269090

Occupational Exposure Band (OEB)

Not Specified

Occupational Exposure Limit (OEL)

NIOSH REL C: 1 mg/m³ (皮肤)

Immediately Dangerous to Life or Health (IDLH)

100 mg/m³

Hazard Statements

H242,H302+H332,H412

Precautionary Statements

P210,P235,P273,P304+P340+P312,P370+P378,P403

Safety Statements

S39, S41, S47, S61

Suppliers & Products (2 suppliers, 3 products)

2 verified suppliers offering 3 products for 2,2'-Azobis(2-methylpropionitrile) (CAS 78-67-1). Compare assay, physical form, and availability from trusted manufacturers and distributors worldwide.

Company Name	Product Model	Assay	Physical Form	Status
Nouryon Chemicals International B.V.	Perkadox AIBN-PD		Solid	Imported
Liaoning Shuangqi Fine Chemical Co., Ltd.	AIBN	99%	-	In Production
Nouryon Chemicals International B.V.	Perkadox AIBN		Solid	Imported