UV Absorber-UV 329

Catalog	ACM3147759-2
CAS	3147-75-9
Structure
Description	Protects polymers from UV radiation, helping to preserve the original appearance and physical integrity of molded articles, films, sheets, and fibers during outdoor weathering.
Synonyms	2Phenol, 2-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)
Molecular Weight	323.43
Molecular Formula	C20H25N3O
Melting Point	100 - 105°C
Content	99.00% min
Feature	97.00 min Transmittance 466 nm (%);98.00 minTransmittance 506 nm (%)
Form	Granular, Powder
Volatiles	0.50% max