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| Ultraviolet absorbent UV-328 |
Chemical name: 2-(2'-Hydroxy-3',5'-dipentylphenyl)benzotriazole
Molecular formula: C22H29N3O
Molecular weight: 351.5
CAS NO.: 21615-48-6
Chemical structural formula: 
Sale code: PS-8
Appearance: white to light yellow powder
Content: ≥ 99%
Melting point: 80-83°C
Loss on drying: ≤ 0.5%
Ash: ≤ 0.1%
Light transmittance:
Wave length nm |
Light transmittance % |
440 |
≥ 96 |
500 |
≥ 97 |
Toxicity: low toxicity and used in food packing materials.
Use: This product is mainly used in polyvinyl chloride,polyurethane,polyster resin and others. Max absorption wave length range is 345nm.
Water solubility: Soluble in benzene, toluene, Styrene, Cyclohexane and other organic solvents. . |
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