Chemical Name 2-(2'-Hydroxy-3'-tert-butyl-5'-methylphenyl)-5- chlorobenzotriazole
Formula C17H18N3OCl
Structure 
CAS NO. 3896-11-5
Molecular Weight 315.8
Specifications
Appreance Yellowish crystalline powder
Purity ≥99%(HPLC)
Melting Point 137-142 oC
Ash ≤0.1%
Loss On Drying ≤0.5%
Transmittance 460 nm≥93%
500 nm≥96%
Advantage and Application
This product is a high efficient UV absorber, which can effectively absorb 270-380 nm UV light. Odorless, good thermo stability under high temperature. Not stained in alkali，and oil resistant. This product almost does not absorb visible light, particularly applicable to colorless and light-colored products. Mainly applied to polyolefin (especially in food grade products), PVC, PA, ABS resin, AS resin, PU, etc.
Package 20KG cartons or drums