Chemical Name: 2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol
Synonyms:2-(2-Hydroxy-3,5-di-a-cumylphenyl)-2H-benzotriazole
Molecular Formula  C30H29N3O
Molecular Weight   448
Structure


CAS Number   70321-86-7

Specification
Appearance:light yellow powder
Melting point:137.0-141.0ºC
Ash:≤0.05%
Purity:≥99%
Light transmittance: 460nm≥97%;
500nm≥98%

Applications:
This product is a high molecular weight UV absorber of the hydroxypheny benzotriazole class, showing outstanding light stability to a variety of polymers during its use.It is highly effective for polymers usually processed at high temperatures such as polycarbonate, polyesters, polyacetal, polyamides, polyphenylene sulfide, polyphenylene oxide, aromatic copolymers, thermoplastic polyurethane and polyurethane fibers, where loss of UVA is not tolerated as well as for polyvinylchloride, styrene homo- and copolymers.

Package and Storage

1. 25kg carton
2. Stored in sealed, dry and dark conditions

Other products of the UV Absorber Series, for example:
BP-1 (UV-0)
BP-2
BP-3(UV9)
BP-4
BP-5
BP-6
BP-9
BP-12(UV-531)
BP-P
UV-120
UV-234
UV-320
UV-326
UV-327
UV-328
UV-329
(UV-5411)
UV-360
UV-571
UV-1084
UV-1164
UV-1577
UV-2908
UV-3030
UV-3039
UV-3638
UV-4050H
UV-5050H
UV-1
UV-2