VA-061 Azo Initiator

Feature

• non-nitrile azo initiator
• soluble in acidic aqueous solution potential for polymerization in water system non-halogen using organic acid like acetic acid.
• 10 hour half-life decomposition temperature, 61 degree C (approx. 45 degree C under condition of acidic aqueous solution)

Chemical Name

2,2'-Azobis[2-(2-imidazolin-2-yl)propane]

CAS NO. 20858-12-2 Molecular weight = 250.35

Property

Appearance	slight pale yellow crystalline powder
Melting point	115-125°C
Activation energy	1.14X105J/mol
10 hour half-life decomposition temperature	61°C(in methanol)
Solubility	freely in methanol ( soluble in acidic aqueous solution, slightly soluble in water) insoluble intoluene or hexane

Packaging and Storage Condition

• 5kg in cardboard
• Keep under 10°C

Related Regulations and Safety Data

TSCA inventory	listed
EINECS No.	244-085-4
Law concerning the Examination and Regulation of Manufacture, etc. of Chemical Substances	existing chemical substances 5-5870
Occupational Health and Safety Law	8-(2)-1271
Mutation data	mutagenicity test using microbe weak positive
Oral toxicity data (LD50)	rat and above 2000mg/kg
Irritation data	-

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