V-50

V-50 is a cationic azo initiator having a low decomposition temperature. It is soluble in water... more

Product information

V-50 is a cationic azo initiator having a low decomposition temperature. It is soluble in water and has a 10 hour half-life decomposition temperature of 56° C.

V-50 can be applied for superabsorbent polymers and polymer coagulants.

Chemical Name

2,2'-Azobis(2-methylpropionamidine)dihydrochloride

CAS No.: 2997-92-4

Molecular weight: 271.19

Physical characteristics

Appearance	Nearly white granules
Melting/freezing point	160-169° C
10 hour half-time decomposition temperature	56° C in water
Activation energy	123.4 KJ/mol K
Frequency factor (ln A)	34.23
Solubility	Freely soluble in water Insoluble in methanol, ethanol, acetone, DMF and dioxane
Self-accelerating decomposition temperature (SADT)	110° C

Main Applications

Acrylic emulsion, adhesives and emulsion polymerization
Finishing agents for textile and wool
Flocculants, dispersions and resists
Super absorbent polymers
Water and oil repellents
PVF dispersion
Ion exchange membrane

Regulations

EINECS No.: 221-070-0
REACH: 01-2119987319-20-0000

Storage

Store under 40°C. Provide sufficient ventilation. Only packaging which is approved (e.g. acc. to ADR) may be used.

Safety Information

Flammable

Health Hazard

Hazardous to the Environment

Literature

For more information and the latest publications please visit the Mediacenter.

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Übersicht Halbwertszeiten von wasserlöslicher Azo-Initiatoren