V-501

V-501 is a non-halogen water-soluble azo initiator having a high decomposition temperature. It... more

Product information

V-501 is a non-halogen water-soluble azo initiator having a high decomposition temperature. It is soluble in hot water or methanol and has a 10 hour half-life decomposition temperature of 69° C.

Chemical Name

4,4'-Azobis(4-cyanovaleric acid)

CAS No.: 2638-94-0

Molecular weight: 280.3 g/mol

Physical characteristics

Appereance	White powder
Melting/freezing point	69° C in water
10 hour half-time decomposition temperature	88° C in Toluol
Activation energy	132.8 KJ/mol K
Frequency factor (ln A)	36.66
Solubility	Freely soluble in ethanol, ether and formamide Soluble in methanol, hot water and alkali Insoluble in water and toluene
Self-accelerating decomposition temperature (SADT)	60° C

Main Applications

Adhesives and microgel
PMMA, casted plate and resists

Regulations

EINECS No.: 220-135-0
REACH: 01-2120757352-55-0002

Storage

Store under 20°C. Store container in a well ventilated position. Store only in the original container. Do not seal container gastight.

Safety Information

Flammable

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