Heat curing

An azo polymerization initiator, a representative initiator, is used when monomers are cured by heating (polymerized). Our azo polymerization initiators, categorized into "water-soluble" and "oil-soluble" types, are shown below.

Water soluble Azo initiators

VA-086Water soluble

CAS RN® : 61551-69-7

  • Potential for introducing a hydroxyl into the terminus of polymer
  • 10 Hour half-life decomposition temperature: 86℃
VA-086 View more

V-50Water soluble

CAS RN® : 2997-92-4

  • Used for superabsorbent polymer and flocculants
  • 10 Hour half-life decomposition temperature: 56℃(in water)
V-50 View more

VA-044Water soluble

CAS RN® : 27776-21-2

  • Non-nitrile water-soluble azo initiator having low decomposition temperature
  • 10 Hour half-life decomposition temperature: 44℃(in water)
VA-044 View more

V-501Water soluble

CAS RN® : 2638-94-0

  • Non-halogen water-soluble azo initiator
  • 10 Hour half-life decomposition temperature: 63℃ (DMF)
V-501 View more

Oil soluble Azo intiators

V-601Oil soluble

CAS RN® : 2589-57-3

  • Non-nitrile azo initiator as an alternative to AIBN
  • With equivalent polymerization activity of AIBN. Efficiency of polymerization rises in alcohol solvents
  • 10 Hour half-life decomposition temperature: 66℃
V-601 View more

VR-110Oil soluble

CAS RN® : 39198-34-0

  • Generates polymerization active species consisting only of hydrocarbons
  • 10 Hour half-life decomposition temperature: 110℃(in diphenyl ether)
VR-110 View more

VAm-110Oil soluble

CAS RN® : 195520-32-2

  • Non-nitrile azo initiator having high decomposition temperature
  • 10 Hour half-life decomposition temperature: 110℃
VAm-110 View more

V-40Oil soluble

CAS RN® : 2094-98-6

  • Oil-soluble azo initiator having high decomposition temperature
  • 10 Hour half-life decomposition temperature: 88℃
V-40 View more

AIBNOil soluble

CAS RN® : 78-67-1

  • The most common azo initiator
  • 10 Hour half-life decomposition temperature: 65℃
AIBN View more

V-70Oil soluble

CAS RN® : 15545-97-8

  • With highest polymerization activity among azo initiators available in Wako
  • 10 Hour half-life decomposition temperature: 30℃
V-70 View more

V-65Oil soluble

CAS RN® : 4419-11-8

  • Employed in various polymerizations for general purposes
  • 10 Hour half-life decomposition temperature: 51℃
  • Oil-soluble azo initiator having low decomposition temperature
V-65 View more

V-59Oil soluble

CAS RN® : 13472-08-7

  • Freely soluble in various organic solvents
  • 10 Hour half-life decomposition temperature: 68℃
V-59 View more