NR3632 2-tert-Butyl-6-(5-chloro-2H-benzotriazol-2-yl)-4-methylphenol (UV-326) (CAS No. 3896-11-5)

Catalog No. NR3632

UV-326 (CAS: 3896-11-5) is a kind of light yellow powder with a chemical formula of C17H18N3OCl and a molecular weight of 315.80. Stanford Advanced Materials (SAM) offers high-quality UV-326 with competitive pricing.

Related products: UV Phosphor

UV-326 Description

UV-326 2-tert-Butyl-6-(5-chloro-2H-benzotriazol-2-yl)-4-methylphenol (UV-326) is a benzotriazole-based UV absorber that can be used in the photostabilization of industrial materials. It can absorb harmful UV radiation for a wavelength of about 290 nm.

UV-326 Specification

CAS Number


Chemical Formula


Molecular Weight



light yellow powder

Volatile Matter




Melting Point



460nm≥93%, 500nm≥96%

UV-326 Applications

It can be widely used in photosensitive materials such as color film, color film, color photographic paper and high molecular polymer, outer protective coating and many fields.


UV-326 Packaging

Our UV-326 is carefully handled during storage and transportation to preserve the quality of our product in its original condition.


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