WPBG-140
Photo base generators
Plastics manufacturing
Photocurable
- Exhibits absorption region in the vicinity of 350 nm.
- Generates imidazole (m.p.=89-91°C, b.p.=256°C) by light irradiation
- Has radical polymerization initiating ability.
| Chemical name | 1-(anthraquinon-2-yl)ethyl imidazole-1-carboxylate |
|---|---|
| CAS RN® | 1418139-51-1 |
| Molecular weight | 346.34 |
Physical characteristics
| Color Appearance |
pale yellow powder - mass |
|---|---|
| Melting point/freezing point | 124℃ |
| Solubilities | water, acetone : slightly soluble. NMP (N-methylpyrrolidone) : freely soluble. methanol, PGMEA (1-methoxy-2-propyl acetate) : sparingly soluble. |
| TG-DTA | weight loss from 166℃ |
| Solubility | (g/solv. 100 g）
|
UV（0.02 mg/mL in CH3CN）
Absorption maximum
253 nm（ε=61400） 254 nm（ε=61200） 365 nm（ε=390）
Related laws and regulations
| TSCA | Not Listed |
|---|---|
| EINECS | Not Listed |
| REACH | Not Listed |
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