UV 320, Tinuvin 320, CAS  3846-71-7

Chemical Name:

2-(2′-hydroxy-3′,5′-di-t-butyl-phenyl)benzotriazole

FormulaC20H25N3O 
Molecular Weight323.4
CAS#3846-71-7

Physical Properties:

AppearanceYellowish crystalline powder
Melting Point152-156℃
Ash≤0.1%
Loss On Drying≤0.3%
Purity≥99%(HPLC)
Transmittance460 nm≥97%   500 nm≥98%

Applications:

UV 320 is an efficient light stabilizer, strong UV absorption and low volatility. It can effectively protect polyester and organic pigments from ultraviolet radiation, thereby protecting the appearance of molded objects, films, fibers, etc. Tinuvin 320 is suitable for polyvinyl chloride, unsaturated polyester and other polymers.

Recommended dosage: polyester 0.3-0.5%, PVC 0.25-0.5%, unsaturated polyester  0.2-0.5%.

Handing and safety:

>For additional handing and toxicological information, please consult us for Maternal Safety Date Sheet

Package:            

20/25 KG cartons or drums

TDS & MSDS

UV tinuvin 320 tds baoxu chemical

UV tinuvin 320 msds baoxu chemical