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UV-350
CAS NO.36437-37-3
Chemical name：2-(2’-hydroxy-3’-sec-butyl-5’-tert-butylphenyl) benzotriazole
Molecular Formula: C20H25N3O Molecular weight：323.4
Structural Formula:
Specification
Appearance:Slight yellowish crystalline powder
Assay(GC):99.0%min
Melting range:80-84℃
Volatile:0.2%max
Ash：0.1%max
Light Transmittance:
460nm 96%min
550nm 97%min
Application: It is a high effective ultraviolet absorbent of benzotriazole type,
it is particularly recommended for use in polycarbonate.
Usage: 0.3~0.6 wt % based on polymer weight
Advantage : Odorless, does not bring smells to the polymers
No effect on initial color of substrate.
Toxicity and safety: It can be safely handled without any irritation to the skin.
Packing: Fiber drum or cardborad drum inner lining plastic bag, each drum 20kg net weight or as required by the customers.Storage: It should be stored in a close system and kept in a dry, close and shade place.
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