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product Name	UV-320/ 2-(2H-benzotriazol-2-yl)-4,6-di-tert-butylphenol
Synonyms	2H-Benzotriazol-2-yl-4,6-di-tert-butylphenol; 2-(2-Hydroxy-3,5-di-tert-butylphenyl)-2H-benzotriazole; Hydroxydibutylphenylbenzotriazole; 2-(3,5-Di-tert-butyl-2-hydroxyphenyl)-2H-benzotriazole; 2-(2-Hydroxy-3,5-di tert-butylphenyl)benzotriazole; 320; ULTRAVIOLET ABSORBER UV-320; UV-320; 2-BENZOTRIAZOLE-2-YL-4,6-DI-TERT-BUTYLPHENOL; 2-(2'-HYDROXY-3',5'-DI-TERT-BUTYLPHENYL)BENZOTRIAZOLE; 2-(2-HYDROXY-3,5-DI-TERT-BUTYLPHENYL)BENZOTRIAZOLE; 2-(2H-BENZOTRIAZOL-2-YL)-4,6-DI-T-BUTYLPHENOL; Ultraviolet absorbent UV-320; (Di-Tert-Butyl-Hydroxyphenyl)-Benzo-Triazole
Molecular Formula	C20H25N3O
Molecular Weight	323.432
InChI	InChI=1/C20H25N3O/c1-19(2,3)13-11-14(20(4,5)6)18(24)17(12-13)23-21-15-9-7-8-10-16(15)22-23/h7-12,24H,1-6H3
CAS Registry Number	3846-71-7
EINECS	223-346-6
Molecular Structure
Density	1.1g/cm3
Melting point	152-154℃
Boiling point	444°C at 760 mmHg
Refractive index	1.585
Flash point	222.3°C
Vapour Pressur	1.7E-08mmHg at 25°C
Hazard Symbols
Risk Codes	R48/22:Harmful : danger of serious damage to health by prolonged exposure if swallowed.; R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.;
Safety Description	S22:Do not inhale dust.; S36/37:Wear suitable protective clothing and gloves.; S45:In case of accident of if you feel unwell, seek medical advice immediately (show the label where possible).;