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UV-P
Benzotriazole UV Absorber
Description
UV-P is an ultraviolet light absorber (UVA) of the hydroxyphenyl benzotriazole class, imparting good light stability to a wide variety of polymers.
Chemical name:
2-(2H-benzotriazol-2-yl)-p-cresol
Synonym:
Drometrizole
Molecular formula:
C13H11N3O
Molecular weight:
225 g/mol
CAS number:
2440-22-4
EC number:
219-470-5
Applications
UV-P provides ultraviolet protection in a wide variety of polymers including styrene homo- and copolymers, engineering plastics such as polyesters and acrylic resins, polyvinyl chloride, and other halogen containing polymers and copolymers (e. g. vinylidenes), acetals and cellulose esters. Elastomers, adhesives, polycarbonate blends, polyurethanes, and epoxy materials also benefit from the use of UV-P.