VA-044
CAS : 27776-21-2
Plastics manufacturing
Photocurable
VA-044 is a non-nitrile, cationic water-soluble azo polymerization initiator. It is highly effective for the polymerization of water-soluble vinyl monomer. The 10-hour half-life temperature is as low as 44 ºC, and the product is active at low temperatures.
- Non-nitrile water-soluble azo initiator having low decomposition temperature
- Soluble in water or methanol
- 10 Hour half-life decomposition temperature: 44℃(in water)
![structural formula of 2,2'-Azobis[2-(2-imidazolin-2-yl)propane]dihydrochloride](image/VA-044.png)
| Chemical name | 2,2'-Azobis[2-(2-imidazolin-2-yl)propane]dihydrochloride |
|---|---|
| CAS RN® | 27776-21-2 |
| Molecular weight | 323.27 |
| Molecular formula | C12H22N6·2HCl |
| Synonyms | AIPC |
Physical characteristics
| Color Appearance |
pale yellow crystals or crystalline powder |
|---|---|
| Melting point/freezing point | 188-193(dec.) °C |
| 10hour half-life decomposition temperature | 44℃（in water） |
| Activation energy | 108.2 kJ/mol |
| Frequency factor (ln A) | 30.19 |
| Solubilities | water : freely soluble. methanol : sparingly soluble. ethanol : very slightly soluble. acetone, toluene : insoluble. |
| SADT | 140℃ |
*SADT: Self-accelerating decomposition temperature
Packaging & Storage conditions
| Packaging | 20kg / 500g |
|---|---|
| Storage conditions | keep under 40℃ |
Related laws and regulations
| TSCA | Listed |
|---|---|
| EINECS | Listed |
| REACH | 01-2120764032-64-0000 |
Free Tool for Graphing Azo Initiator Decomposition Now Available
The "Azo Polymerization Initiator Decomposition Simulator" allows you to easily visualize the decomposition of azo polymerization initiators in a graph. You can use all 15 types of azo initiators, helping you select the best initiator for your polymerization conditions and optimize your polymerization process.
