Ultraviolet absorbent UV-327

Chemical Name: 2,4-Di-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)phenol 
Molecular formula: C₂₀H₂₄N₃OCL
Molecular weight: 357.9
CAS NO.: 3864-99-1 
Chemical Structural formula:

Sales code: PS-7
Appearance: light yellow powder 
Assay: ≥ 99% 
Melting point: 154-158℃
Loss on dry: ≤ 0.5% 
Ash: ≤ 0.1%

Light transmittance:

Wavelength nm	Light transmittance %
460	≥ 97
500	≥ 98