Product name: 2-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol Alias: Octrizole; 2-benzotriazol-2-yl-4-(1,1,3,3-tetramethylbutyl)phenol; 2-(2-Hydroxy-5-tert-octylphenyl)benzotriazole; UV-329; 2-(2'-Hydroxy-5'-(1,1,3,3-tetramethylbutyl)phenyl)benzotriazole; Cyasorb 5411; Tinuvin 5411; Primesorb5411; 2-(2'-Hydroxy-5'-tert-Octyl Phenyl)-Benzotriazolel; BHSORB-329; 2-(2'-hydroxy-5-tert-octylphenyl) benzotriazole; 2-(2'-HYDROXY-5'-TERT-OCTYLLPHENYL)BENZOTRIAZOLE; 2-(2'-HYDROXY-5'-TERT-OCTYL PHENYL) BENZOTRIAZOLE; LABOTEST-BB LT00053579; EUSORB 323; TINUVIN 329; UV absorber-329; 2-(2H-benzotriazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol; Ultraviolet absorberUV-329 CAS No.: 3147-75-9 EC No.: 221-573-5 Molecular weight: 323.432 Structural Formula: Specification: ≥98% The density: 1.1g/cm3 Melting Point: 101-106°C Boiling point: 471.8°C at 760 mmHg Flash point: 239.2°C Appearance: white powder Assay: ≥98%(HPLC) Light transmittance: 440nm, ≥98%; 500nm, ≥99% Uses: As a UV absorbent, this product is mainly suitable for polyolefin, polystyrene, organic glass, polycarbonate, ABS resin and so on. The dosage is usually 0.1-1%.

CAS NO:3147-75-9;123307-21-1

EC NO:221-573-5

Molecular Formula:C₂₀H₂₅N₃O

Molecular Weight:323.432

Synonyms:;Octrizole;2-benzotriazol-2-yl-4-(1,1,3,3-tetramethylbutyl)phenol;2-(2-Hydroxy-5-tert-octylphenyl)benzotriazole;UV-329;2-(2'-Hydroxy-5'-(1,1,3,3-tetramethylbutyl)phenyl)benzotriazole;Cyasorb 5411;Tinuvin 5411;Primesorb5411;2-(2'-Hydroxy-5'-tert-Octyl Phenyl)-Benzotriazole;BHSORB-329;2-(2'-hydroxy-5-tert-octylphenyl) benzotriazole;2-(2'-HYDROXY-5'-TERT-OCTYLLPHENYL)Benzotriazole;2-(2'-HYDROXY-5'-TERT-OCTYL PHENYL) Benzotriazole;LABOTEST-BB LT00053579;EUSORB 323;TINUVIN 329;UV absorber-329;2-(2H-benzotriazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol;Ultraviolet absorberUV-329;2-(2H-Benzotriazol-2-yl)-4-tert-octylphenol;Ultraviolet absorbent UV-329;UV 329;UV-5411;

Molecular Structure: