UV Absorber 326 CAS 3896-11-5

CAS:3896-11-5
MF:C17H18ClN3O
MW:315.8
EINECS:223-445-4
Synonyms:2-T-BUTYL-6-(5-CHLORO-2H-BENZOTRIAZOL-2-YL)-4-METHYLPHENOL; BUMETRIZOLE; LABOTEST-BBLT00138024; TINUVIN326

What is UV Absorber 326 CAS 3896-11-5？

UV Absorber 326 is a light yellow crystalline powder with a melting point of 137-141℃. It is soluble in solvents such as styrene, benzene and toluene, and can effectively absorb ultraviolet light of 270-380nm. UV Absorber 326 has low volatile chemicalbooks and good compatibility with resins.

Specification

Item	Specification
Melting point	144-147 °C(lit.)
Boiling point	460.4±55.0 °C(Predicted)
Density	1.26±0.1 g/cm3(Predicted)
Vapor pressure	0Pa at 20℃
Acidity coefficient (pKa)	9.31±0.48(Predicted)
Water solubility	4μg/L at 20℃
LogP	6.580 (est)

Application

The Absorber is stable and non-toxic. The absorber is mainly used in polyolfins, polyvinyl chloride, unsaturated polyester, polyamide, polyurethane, epoxy resin, ABS resin and cellulose resin, and is suitable for natural rubber and synthetic rubber.