Chemical name:2-(2'-Hydroxy-3',5'-di-tert-pentylphenyl)-benzotriazole
Molecular formula:C22H29N3O
Structural formula:
Properties:
Properties and application:It is a pale yellowish powder melting point 81 , soluble in benzene, toluene, ethyl acetate and petroleum ether, slightly soluble in ethyl alcohol and methyl alcohol insoluble in water.
It is a excellent ultraviolet absorbet, UV  max:345nm, solubility for polymer is good, volatility is little, mainly used for PE, PP,PS,PVC, poly ester and ABS resins, and so on.
Specifications:
|
Appearance |
Light yellow powder |
|
Melting point |
≥81℃ |
|
Volatile matter |
≤0.5% |
|
Ash content |
≤0.05% |
|
Transmissirity |
460nm≥97% 500nm≥98% |
|
Purity |
≥99% |
Package: 25kg Carton
|
