Name: 2,4-Di-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)phenol
CAS: 3864-99-1
Molecular Formula: C20H24ClN3O
Molecular Weight: 357.877
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Names and Identifiers
Name 2,4-Di-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)phenol
Synonyms 2,4-di-tert-butyl-6-(5-chlorobenzotriazol-2-yl)phenol
Ultraviolet Absorbent UV-327
Dibutylhydroxyphenylchlorobenzotriazole
2-(3,5-Di-tert-butyl-2-hydroxyphenyl)-5-chloro-2H-benzotriazole
UV-327
2-(2′-Hydroxy-3′,5′-di-tert-butylphenyl)-5-chlorobenzotriazole
2-(2′-Hydroxy-3′,5′-di-tert-Butyl Phenyl)-5-Chloro Benzotriazole
BHSORB-327
UV absorber-327
UV absorber UV-327
Ultraviolet absorber UV-327
4,6-Di-tert-butyl-2-(5-chloro-2H-benzotriazol-2-yl)-phenol
UV 327
CAS 3864-99-1
EINECS 223-383-8
InChI InChI=1/C20H24ClN3O/c1-19(2,3)12-9-14(20(4,5)6)18(25)17(10-12)24-22-15-8-7-13(21)11-16(15)23-24/h7-11,25H,1-6H3

Physico-chemical Properties
Molecular Formula C20H24ClN3O
Molar Mass 357.877 g/mol
Density 1.18g/cm3
Melting Point 150-158℃
Boling Point 469.2°C at 760 mmHg
Flash Point 237.6°C
Vapor Presure 2E-09mmHg at 25°C
Refractive Index 1.596

Risk and Safety
Hazard Symbols Xi – Irritant
Irritant
Risk Codes R36/37/38 – Irritating to eyes, respiratory system and skin.
Safety Description S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 – Wear suitable protective clothing.

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CAS 3864-99-1, Ultraviolet absorber UV-327, C20H24ClN3O
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