2-(2'-Hydroxy-3'-tert-butyl-5'-methylphenyl)-5-chlorobenzotriazole

Name: Ultraviolet absorbent UV-326
Chemical name: 2-(2'-Hydroxy-3'-tert-butyl-5'-methylphenyl)-5-chlorobenzotriazole
Molecular formula: C₁₇H₁₈N₃OCl
CAS No.: 3896-11-5
Structural formula:
Specifications:

Appearance	Light yellow crystalline powder
Assay	≥99%
Melting point	137－141°C
Loss on dry	≤0.5%
Light transmittance	460nm≥97%      500nm≥98%

Features and uses:
UV 326 is Light stabilizer, it can adsorb the UV ray of 270-380 nanometer, UV absorbent 326 can be used in PVC, polystyrene, unsaturated resin, polycarbonate, polymethyl methacrylate, polythene, ABS resin, epoxy resin & cellulose resin or used in colorless transparent products. Dosage thin product 0.1-0.5%, thick product 0.05-0.2%. 2-(2'-Hydroxy-3'-tert-butyl-5'-methylphenyl)-5-chlorobenzotriazole can be used in the food container. 

Packing and storage:

Ultraviolet absorbent UV-326 is non-toxic, non-inflammable, non-corrosive matter with good storage stability. Packed in plastic bag lined carton, Net wt. 20Kg/drum, or following your demand.