Characteristics

non-nitrilenon-halogenwater soluble
  • non-nitrile azo initiator
  • soluble in acidic aqueous solution, potential for aqueous polymerization of non-halogen using organic acid like acetic acid.
  • 10 hour half-life decomposition temperature; 61℃(at about 45℃ in acidic aqueous solution)

Application

Chemical name

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

image

CAS NO. 20858-12-2

Molecular weight = 250.35

Physical characteristics

Color
Appearance
pale yellow
crystalline powder
Melting point/freezing point 115-125(dec.) °C
10hour half-life decomposition temperature 61℃(in methanol)
Activation energy 113.9 KJ/mol K
Frequency factor (ln A) 30.16
Solubilities

water : practically insoluble.
methanol : soluble.
ethanol, chloroform : slightly soluble.
toluene : insoluble .

SADT 50℃

*SADT: Self-accelerating decomposition temperature

Packaging & Storage conditions

  • 500g
  • 5kg
  • keep under 10℃

Related laws and regulations

TSCA Listed
EINECS Listed

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