UV Absorber-UV 328

Catalog	ACM25973551-2
CAS	25973-55-1
Structure
Description	UV 328 (25973-55-1) is an UV absorber belonging to the hydroxyphenyl benzotriazole class, which imparts outstanding light stability to plastics and other organic substrates.
Synonyms	2-(2H-Benzotriazol-2-yl)-4,6 ditertpentylphenol
Molecular Weight	351.49
Molecular Formula	C22H29N3O
Melting Point	79 - 87°C
Content	99.00% min
Feature	96.00 min Transmittance 465 nm (%);97.00 minTransmittance 505 nm (%)
Form	Granular, Powder
Volatiles	0.30% max