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product Name	UV-328/ 2-(2H-benzotriazol-2-yl)-4,6-di-tert-pentylphenol
Synonyms	2-(2-Hydroxy-3,5-dipenryl-phenyl) benzotriazole; 2-(2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylpropyl)-phenol; 2-(2H-hydroxy-3-5-Di-tert-Amyllphenyl)benzotriazole; UV-328; 328; Primesorb328; Ultraviolet absorbent UV-328; 2-(2'-Hydroxy-3',5'-di-tert-Pentyl Phenyl)-Benzotriazole; BHSORB-328; 2-(2'-Hydroxy-3',5-dipenryl-phenyl) benzotriazole; UV absorber-328; UV absorber UV-328; 2-(2H-benzotriazol-2-yl)-4,6-bis(2-methylbutan-2-yl)phenol; Ultraviolet absorberUV-328; 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-amylphenol; Ultraviolet absorber UV-328; UV 328; 2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol
Molecular Formula	C22H29N3O
Molecular Weight	351.4852
InChI	InChI=1/C22H29N3O/c1-7-21(3,4)15-13-16(22(5,6)8-2)20(26)19(14-15)25-23-17-11-9-10-12-18(17)24-25/h9-14,26H,7-8H2,1-6H3
CAS Registry Number	25973-55-1
EINECS	247-384-8
Molecular Structure
Density	1.08g/cm3
Melting point	80-83℃
Boiling point	469.1°C at 760 mmHg
Refractive index	1.575
Flash point	237.5°C
Vapour Pressur	2.01E-09mmHg at 25°C
Hazard Symbols	Xi:Irritant;