Ultraviolet absorbent UV-326

Chemical Name: 2-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)-4-methylphenol 
Molecular formula: C₁₇H₁₈N₃OCL
Molecular weight: 315.5
CAS NO.: 3896-11-5 

Chemical Structural formula:

Sales code: PS-6
Appearance: light yellow fine crystal 
Assay: ≥ 99% 
Melting point: 138℃ 
Loss on dry: ≤ 0.5% 
Ash: ≤ 0.1%

Light transmittance:

Wavelength nm	Light transmittance %
460	≥ 96
500	≥ 97