Ultraviolet Absorber UV-T

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Ultraviolet Absorber UV-T
Posting date : Dec 04, 2012
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29-
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Chemical Name: 2-Phenyl-1H-benzimidazole-5-sulphonic acid ; 1H-Benzimidazole-5-sulfonic acid, 2-phenyl-; Phenylbenzimidazole sulfonic acid; Ensulizole ; Phenylbenzimidazole sulfonic acid CAS No: 27503-81-7 Appearance: white or kind of white crystallization powder Assay:98.0% Melting point: 300ºC Loss of Dry weight: ≤1% Use: This strain new ultraviolet absorption agent, Reaches as high as 920-990, in 302 nm ultraviolet wave strong point, absorption coefficient, the ability that absorbs the ultraviolet ray is above ordinary absorbent three times, Non-toxic, does not have the irritating quality, Mainly uses in the cosmetics guarding against exposes to the sun

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