UV absorbent UV-327

Product name: 2,4-di-tert-butyl-6-(5-chloro-2H-benzo-triazol-2-
CAS NO: 3864-99-1
Molecular weight: 357.8771
EC NO: 223-383-8
Molecular Formula: C₂₀H₂₄ClN₃O
Alias:2,4-Di-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)phenol; 2,4-di-tert-butyl-6-(5-chlorobenzotriazol-2-yl)phenol; Ultraviolet Absorbent UV-327; Dibutylhydroxyphenylchlorobenzotriazole; 2-(3,5-Di-tert-butyl-2-hydroxyphenyl)-5-chloro-2H-benzotriazole; UV-327; 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole; 2-(2'-Hydroxy-3',5'-di-tert-Butyl Phenyl)-5-Chloro Benzotriazole; BHSORB-327; UV absorber-327; UV absorber UV-327; Ultraviolet absorberUV-327
Structural Formula:

Assay: ≥99%
Appearance: Light yellow powder
Assay: ≥99%
Melting point: 154-158°C
Loss on dry: ≤0.5%
Ash: ≤0.1%

Uses: As a UV absorbent, this product is mainly suitable for polyolefin, also can be used in polyvinyl chloride (PVC), polycarbonate, polyurethane, organic glass, and coatings. Maximum absorption wavelength range 270-380nm.