UV-350

UV-350 CAS NO.36437-37-3 Chemical name:2-(2′-hydroxy-3′-sec-butyl-5′-tert-butylphenyl) benzotriazole Molecular Formula: C20H25N3O Molecular weight:323.4 Structural Formula: Specification Appearance:Slight yellowish crystalline powder Assay(GC):99.0%min Melting range:80-84℃ Volatile:0.2%max Ash:0.1%max Light Transmittance:…

UV-329

UV-329 CAS NO.3147-75-9 Chemical name:2-(2-Hydroxy-5-tert-octylphenyl)benzotriazole Molecular formula: C20H25N3O Molecular Weight:323.4 Structural Formula: Specification Appearance:White to off-white powder Assay(G.C):99.0%min Melting range:101-105℃ Volatile:0.2%max Ash:0.1%max Light Transmittance: 440nm…

UV-320

UV-320 CAS NO.:3846-71-7 Chemical name:2-Benzotriazole-2-yl-4,6-di-tert-butylphenol Molecular Formula: C20H25N3O Molecular weight:323.4 Structural Formula: Specification Appearance:white crystalline powder Assay(HPLC):99.0%min Melting range:152-156℃ Volatile:0.2%max Ash: 0.1%max Light Transmittance: 440nm…