|
Identification |
|
Name |
|
2-(2H-Benzotriazol-2-yl)-p-cresol |
|
Synonyms |
|
2-(2-Benzotriazolyl)-4-methylphenol; 2-(2-Hydroxy-5-methylphenyl)benzotriazole; 2-(2-Hydroxy-5-methyl-phenyl)benzotriazole; Drometrizole; UV Absorber-1; Benazol P |
|
Chinese Names |
|
2-(2H-苯并三氮唑-2-基)对甲苯酚; 2-(2'-羟基-5'-甲基苯基)苯并三唑; 紫外线吸收剂 UV-P; 紫外线吸收剂 UV-71 |
|
|
|
Molecular Structure |
|
|
|
|
|
Molecular Formula |
|
C13H11N3O |
|
Molecular Weight |
|
225.25 |
|
CAS Registry Number |
|
2440-22-4 |
|
EINECS |
|
219-470-5 |
|
|
|
|
|
Properties |
|
|
|
Appearance |
|
Light yellow powder |
|
Purity |
|
99%min |
|
Melting point |
|
128-132°C |
|
Loss on drying |
|
≤0.5% |
|
Ash |
|
≤0.1% |
|
Transmittance |
|
440nm, ≥97%
500nm, ≥98% |
|
Safety Data |
|
|
|
Safety Description |
|
|
|
Application |
|
|
|
Unsaturated Polyester |
|
0.2-0.5wt% based on polymer weight |
|
Rigid PVC |
|
0.2-0.5wt% based on polymer weight |
|
Plasticized PVC |
|
0.1-0.3wt% based on polymer weight |
|
Polyurethane |
|
0.2-1.0wt% based on polymer weight |
|
Polyamide |
|
0.2-0.5wt% based on polymer weight |
