Polymer-related chemicals

V-501

Water soluble Azo initiators

非ハロゲン 水溶性

Plastics manufacturing

Photocurable

V-501 is a nitrile-based water-soluble azo polymerization initiator, having a carboxyl group at the end. By introducing carboxyl group at polymer, post-polymerization mddification can be achieved.

  • Non-halogen water-soluble azo initiator
  • soluble in hot water or methanol
  • 10 Hour half-life decomposition temperature: 69℃ (in water, as Na salt)
イメージ
Chemical name 4,4'-Azobis(4-cyanovaleric acid)
CAS RN® 2638-94-0
Molecular weight 280.28

Physical characteristics

Color
Appearance

white
powder

Melting point/freezing point 120-123(dec.) °C
10hour half-life decomposition temperature 69℃(in water)
Activation energy 132.8 kJ/mol K
Frequency factor (ln A) 36.66
Solubilities

water : practically insoluble.
ethanol, ether, formamide : freely soluble
methanol : soluble.
toluene : insoluble.
※hot water, alkali:soluble.

SADT 60℃

*SADT: Self-accelerating decomposition temperature

Packaging & Storage conditions

Packaging 10kg / 500g
Storage conditions keep under 20℃

Related laws and regulations

TSCA Listed
EINECS Listed
REACH 01-2120757352-55-0002