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Specialty Chemicals Home
> Water soluble Azo initiators >
VA-044
- non-nitrile azo initiator
having low decomposition temperature.
- soluble in water or methanol
- 10 hour half-life decomposition temperature, 44°C(in water)
2,2'-Azobis[2-(2-imidazolin-2-yl)propane]dihydrochloride
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CAS NO. 27776-21-2
Molecular weight = 323.33
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| Appearance |
White-pale yellow crystals or crystalline powder |
| Melting point |
188-193°C |
Activation energy
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1.08X105 J/mol |
| 10 hour half-life decomposition temperature |
44°C(in water) |
| Solubility |
freely soluble in water ( and above 30 g/ solvent 100 g
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insoluble in toluene or hexane |
- 25kg , 5kgX4
- Keep under 30°C
| TSCA inventory |
listed |
| EINECS No. |
248-655-3 |
| 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 |
Reverse mutation assay in S.typhimuriun and E.coli;
Weak positive
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Oral toxicity data
(LD50) |
- |
| Irritation data |
primary skin irritation test negative |
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Water
soluble Azo initiators
Oil
soluble Azo initiators