

V-501
921-41283
Packaging Size: 10 kg
4,4'-Azobis(4-cyanovaleric acid)
CAS No.: 2638-94-0
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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 |
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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