V-70

V-70 is an oil-soluble azo initiator having a low decomposition temperature. It is soluble in... more

Product information

V-70 is an oil-soluble azo initiator having a low decomposition temperature. It is soluble in various organic solvents and has a 10 hour half-life decomposition temperature of 30° C.

It has the highest polymerization activity of Wako’s azo initiators and can be used as an alternative to photo reaction as radical generator.

Chemical Name

2,2'-Azobis(4-methoxy-2,4-dimethylvaleronitrile)

CAS No.: 15545-97-8

Molecular weight: 308.4 g/mol

Physical characteristics

Appearance	Nearly white crystalline powder
Melting/freezing point	50-96° C
10 hour half-time decomposition temperature	30° C in toluene
Activation energy	94.3 KJ/mol K
Frequency factor (ln A)	27.01
Solubility	Freely soluble in dichloromethane Soluble in acetonitrile and DMF Slightly soluble in methanol, acetone and toluene Practically insoluble in water
Self-accelerating decomposition temperature (SADT)	30° C

Main Applications

Ethylene Vinyl Alcohol copolymers (EVOH)

Regulations

EINECS No.: 239-593-8
REACH: 01-2120783409-42-0000

Storage

Store under -10°C in dry conditions in a well-ventilated location. Protect from heat and direct sunlight. Do not seal container gastight.

Safety Information

Flammable

Health Hazard

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Übersicht Halbwertszeiten von wasserlöslicher Azo-Initiatoren