Chemical designation / INCI
2-(2-Hydroxy-3,5-di-tert-amylphenyl) benzotriazole (UV- 328)
CAS-number 25973-55-1
EINECS NO 247-384-8
Chemical formula C22H29N3O
Molecule weight 351.50
Use / function UV Stabilizer Structure
Packaging 25kg cardboard drum Appearance Light yellow powder Storage conditions Sealed, light-resistant containers Quality data
Assay (HPLC) 99.0% min Melting point 79-87℃
Volatiles Content 0.5% max. Ash content 0.1% max Transmittance (460) 96% min Transmittance (500) 97% min
2-(2-Hydroxy-3,5-di-tert-amylphenyl) benzotriazole (UV- 328)
CAS-number 25973-55-1
EINECS NO 247-384-8
Chemical formula C22H29N3O
Molecule weight 351.50
Use / function UV Stabilizer Structure
Packaging 25kg cardboard drum Appearance Light yellow powder Storage conditions Sealed, light-resistant containers Quality data
Assay (HPLC) 99.0% min Melting point 79-87℃
Volatiles Content 0.5% max. Ash content 0.1% max Transmittance (460) 96% min Transmittance (500) 97% min
Main Products
UV Filters