Chemical designation / INCI
2-(2'-Hydroxy-3'-tert-butyl-5'-methylphenyl)-5- chlorobenzortriazole (UV-326)
CAS-number 3896-11-5
EINECS NO 223-445-4
Chemical formula C17H18ClN3O
Molecule weight 315.80
Use / function UV Absorber
Packaging 25kg cardboard drum
Appearance Light yellow powder
Storage conditions Sealed, light-resistant containers
Quality data
Assay (HPLC) 99.0% min
Melting point 137-141℃
Volatiles Content 0.5% max.
Ash content 0.1% max
Transmittance (460) 93% min
Transmittance (500) 96% min
