2-(2'-Hydroxy-5'-methyl-phenyl)benzotriazole

Product name	2-(2'-Hydroxy-5'-methyl-phenyl)benzotriazole
Alias	2-(2'-Hydroxy-5'-methylphenyl)benzotriazole; Trazole cresol; UV absorber UV-71; 2-(2-hydroxy-5-methylphenyl)benzotriazole azole; UV-P; UV absorber UV-P; 2-(2H-benzotriazole-2-yl)-p-cresol; 2-(2'-hydroxy-5'-methylphenyl)benzene Triazole; Light Stabilizer UV-P
CAS No.	2440-22-4; 2240-22-4
EINECS No.	219-470-5
Molecular formula	C₁₃H₁₁N₃O
Molecular weight	225.2459
Structural formula
Physicochemical properties	Appearance: Light yellow crystal or powder Content: ≥99% (HPLC) Melting point: 128-132℃ Light transmittance: 440nm≥98%; 500nm≥99%
Uses	Used as UV absorber for polyester, polystyrene, acrylic resin, polyvinyl chloride and other plastics, fibers and coatings