Basic information
CAS NO
3147-75-9;123307-21-1
EINECS
221-573-5
Molecular Formula
C20H25N3O
Molecular Weight
323.432
English Name
2-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol
Synonyms
Octrizole, 2-benzotriazol-2-yl-4-(1,1,3,3-tetramethylbutyl)phenol, 2-(2-Hydroxy-5-tert-octylphenyl)benzotriazole, UV-329, 2-(2'-Hydroxy-5'-(1,1,3,3-tetramethylbutyl)phenyl)benzotriazole, Cyasorb 5411, Tinuvin 5411, Primesorb5411, 2-(2'-Hydroxy-5'-tert-Octyl Phenyl)-Benzotriazole, BHSORB-329, 2-(2'-hydroxy-5-tert-octylphenyl) benzotriazole, 2-(2'-HYDROXY-5'-TERT-OCTYLLPHENYL)Benzotriazole, 2-(2'-HYDROXY-5'-TERT-OCTYL PHENYL) Benzotriazole, LABOTEST-BB LT00053579, EUSORB 323, TINUVIN 329, UV absorber-329, 2-(2H-benzotriazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol, Ultraviolet absorberUV-329, 2-(2H-Benzotriazol-2-yl)-4-tert-octylphenol, Ultraviolet absorbent UV-329, UV 329, UV-5411
Physical and Chemical Properties
Density
1.1g/cm3
Refractive index
1.584
Melting point
101-108℃
Boiling point
471.8°C at 760 mmHg
Flash point
239.2°C
Vapour Pressure
1.58E-09mmHg at 25°C
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