●Product name: 2- (2'-Hydroxy-5'-tert-octylphenyl)benzotriazole
Synonym name: 2-(2-Hydroxy-5-tert-octylphenyl)benzotriazole; UV-329
CAS Number: 3147-75-9
Molecular Formula: C20H25N3O
Molecular Weight: 323.43
●Specification:
Item |
Standard |
Appearance |
White powder |
Assay |
99.0%min |
Melting point |
103-105d.C |
Transmittance |
440nm:97%min |
500nm:98%min |
●Application:
It is high efficient optical stabilizer for polystyrene, polymethacrylic acid-formic acid, unsaturated polyester, hard PVC, PC, ABS resin., especially it is good for transparent products and engineering plastic in high temperature. It can work with oxidant, dosage is 0.01-1%.
●Package: In 25kgs cardboard drums.