Sinosorb® UV-P / Tinuvin P CAS 2440-22-4

Chemical Name: 2-(2′-Hydroxy-5′-methylphenyl)benzotriazole

Cas No.: 2440-22-4

Synonym:Drometrizole;Drometrizolum;LOTSORB UV P;Tinuvin P; 2-(2′-Hydroxy-5′-methylphenyl)benzotriazole; 2-Benzotriazolyl-4-methylphenol; UV absorber-1; Porex P; Benazol P; Sumisorb 200; ADK Stab LA 32; Arelite BT10; Cyasorb UV5365; Eversorb 71; Lowilite 55; Seikalizer AZ; Uvasorb SV; Uvinul 3033P; Viosorb 520

MF: C13H11N3O

Purity: 99.0% min


Sinosorb® UV-P / Tinuvin P CAS 2440-22-4

Appearance Light yellow crystals
Purity (HPLC) 99.0% min
Transmittance 440nm: 97.0% min
500nm: 98.0% min
Melting Point 128.0~132.0
Volatiles 0.50% max
Ash content 0.10% max
Clarity of Solution Clear

Sinosorb® UV-P Application:

This product is a high efficiency UV absorber, can effectively absorb 270-380nm UV light; odourless, high temperature resistance, good heat stabilizer; non-flammable, non-explosive, non-toxic, safe and harmless to use; this product almost does not absorb visible light, especially for colourless transparent and light-coloured products; mainly used in PVC, polystyrene, polycarbonate, polymethyl methacrylate, AS resin, ABS resin, polypropylene and polyethylene.


• Concentration:0.2-2.0%


Sinosorb® UV-P Storage:

Being kept in dry, clean warehouse with well ventilation.
Avoid exposing to light and heating for prevention of oxidation.
Protecting the product from leakage, rain and insolation during transportation.


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