Product Name: UV Absorber 326
Synonyms: UV-326
Chemical Name: 2-(2'-hydroxy-3'-tert-butyl-5'-methylphenyl)-5-chlorobenzotriazole
CAS No.: 3896-11-5
Molecular Formula: C17H18N3OCl
Molecular Weight: 315.8
Chemical Structure:
Technical Data:
Appearance | Light yellow crystalline powder |
Purity, % | 99.0 min. |
Melting point, ℃ | 137-141 |
Loss on drying, % | 0.5 max. |
Light transmittance, %, 460nm | 97 min. |
500nm | 98 min. |
Applications:
It is widely used as Ultraviolet absorbent for polyvinyl chloride, polypropylene, unsaturated resin, poly carbonate, polymethyl methyl acrylic , polyethylene, ABS resin, epoxy resin, fiber resin etc. the recommended dosage is 0.1-0.5%. It can absorb UV radiation of 270-380nm wavelength, but almost does not absorb visible light, so it is particularly capable to colorless and colored products.
Packing: 25kg cardboard drum lined with plastic bags
Storage: Store in cool, dry and ventilated place, keep away from direct sunlight.
