JINWEI CHEMINDUSTRY
Ultraviolet absorber UV-328
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.
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:
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Appearance
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Light yellow powder
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Melting point
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≥81
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Volatile matter
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≤0.5%
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Ash content
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≤0.05%
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Transmissirity
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460nm≥97% 500nm≥98%
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Purity
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≥99%
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Package: 25kg Carton
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