UV Absorber 326 CAS 3896-11-5

CAS: 3896-11-5

Molecular Formula: C17H18ClN3O

Molecular Weight: 315.8

EINECS: 223-445-4

Synonyms: 2-T-BUTYL-6-(5-CHLORO-2H-BENZOTRIAZOL-2-YL)-4-METHYLPHENOL; BUMETRIZOLE; LABOTEST-BBLT00138024; TINUVIN326; ULTRA-VIOLETABSORBERUV-326; ULTRAVIOLETABSORBENChemicalbookTUV-326

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

UV Absorber 326 has low volatile chemicalbooks and good compatibility with resins. 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.

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

UV Absorber 326 is mainly used in polyolefin, polyvinyl chloride, unsaturated polyester, polyamide, polyurethane, epoxy resin, ABS resin and cellulose resin, and is suitable for natural rubber and synthetic rubber. UV-326 can absorb 280-370nm ultraviolet light, good stability, little toxicity, no stimulation to the human body.