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Identification |
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Name |
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2-(2H-Benzotriazol-2-yl)-p-cresol |
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Synonyms |
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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 |
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Molecular Structure |
|
|
|
|
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Molecular Formula |
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C13H11N3O |
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Molecular Weight |
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225.25 |
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CAS Registry Number |
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2440-22-4 |
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EINECS |
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219-470-5 |
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Properties |
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|
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Appearance |
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Light yellow powder |
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Purity |
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99%min |
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Melting point |
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128-132°C |
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Loss on drying |
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≤0.5% |
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Ash |
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≤0.1% |
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Transmittance |
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440nm, ≥97%
500nm, ≥98% |
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Safety Data |
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Safety Description |
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S22;S24/25 Details |
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Application |
|
|
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Unsaturated Polyester |
|
0.2-0.5wt% based on polymer weight |
|
Rigid PVC |
|
0.2-0.5wt% based on polymer weight |
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Plasticized PVC |
|
0.1-0.3wt% based on polymer weight |
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Polyurethane |
|
0.2-1.0wt% based on polymer weight |
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Polyamide |
|
0.2-0.5wt% based on polymer weight |