2-(2H-benzotriazol-2-yl)-6-(dodecyl)-4-methylphenol

Name: Ultraviolet absorbent UV 571
Chemical name: 2-(2H-benzotriazol-2-yl)-6-(dodecyl)-4-methylphenol
Molecular formula: C₂₅H₃₅N₃O
Molecular weight: 393.6
CAS NO.: 125304-04-3
Chemical structural formula:
Sale code: PS-571
Technical index:

Appearance	Llight yellow oily liquid
Content	≥ 99%
Boiling point	174 °C

Toxicity: Low toxicity, rattus norvegicus oral LD 50 >2000mg/Kg weight.
UV-571 Use:

Max absorption range is 300-400nm. 2-(2H-benzotriazol-2-yl)-6-dodecyl-4-methylphenol is suitable in polymer, adhesive, polyvinyl chloride, polyurethane and others.