Chemical Name:

2-(2’-Hydroxy-5’-tert-octylphenyl) benzotriazole

​

CAS NO: 3147-75-9

​

Structural formula:

Molecular formula: C₂₀H₂₅N₃O

​

​

Specifications:

Appearance: White powder

Volatile matter : 0.5% max

Melting point: 101~106℃

Purity: 99% max

Ash: 0.05% max

Moisture content: 0.1% max

Transmittance(440nm): 97% min

Transmittance(500nm): 98% min

​

Applications:

It is a white powder, melting point 101-106℃, soluble in benzene, styrene, ethyl acetate, slightly soluble in ethyl alcohol, insoluble in water.

 UV gamma max:345nm, low volatility, used for polyetyrene, poly(methyl methacrylate), polyester and ABS resins and so on.

​

Packing: 15kg B/G type

​

​