UV-350

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.