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V-65 Azo Initiator

 V-65 Azo Initiator


  • solvent-soluble azo initiator having low decomposition temperature.
  • soluble in various solvents
  • employed in various polymerizations for general purposes
  • 10 hour half-life decomposition temperature, 51°C

Chemical Name

2,2'-Azobis(2.4-dimethyl valeronitrile)

CAS NO. 4419-11-8
Molecular weight = 248.37


Appearance white to slightly brown crystalline powder
Melting point 45-70°C
Activation energy 1.22X105J/mol
10 hour half-life decomposition temperature 51°C(in toluene)
Solubility soluble in toluene, methanol, acetone,or styrene
insoluble in water

Packaging and Storage Condition

  • 25kg
  • Keep under 15°C

Related Regulations and Safety Data

    TSCA inventory listed
    EINECS No. 224-583-8
    Law concerning the Examination and Regulation of Manufacture, etc. of Chemical Substances existing chemical substances 2-1532
    Occupational Health and Safety Law official announcement chemical substance
    Mutation data micronucleus test; Negative
    Oral toxicity data
    mous 8000mg/kg, rat 6000mg/kg