Basic information
CAS NO
25973-55-1
EINECS
247-384-8
Molecular Formula
C22H29N3O
Molecular Weight
351.4852
English Name
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, Tinuvin 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
Physical and Chemical Properties
Density
1.08g/cm3
Refractive index
1.575
Melting point
80-83℃
Boiling point
469.1°C at 760 mmHg
Flash point
237.5°C
Vapour Pressure
2.01E-09mmHg at 25°C
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