Chemical name: 2-(2'-Hydroxy-3',5'-di-tert- Butyl Phenyl)-5-Chlorobenzotriazole
Chemical formula: C20H34N3OCL
Molecular weight: 357.89
CAS no.: 3864-99-1
Product standard: Q/12 HG 3557-2000
Physical properties:
Appearance: light yellow powder（diffierent style with different appearance）
Melting point: 154-158°C
Ash content: 0.05% max.
Loss on heating: 0.05% max.
Light transmittance: 460nm/88mins or 500nm/95mins
