Ultraviolet absorber UV-326 Bumetrizole
Name |
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Bumetrizole |
Synonyms |
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2-(3-tert-Butyl-2-hydroxy-5-methylphenyl)-5-chloro-2H-benzotriazole; 2-(5-Chloro-2H-benzotriazol-2-yl)-6-(1,1-dimethylethyl)-4-methylphenol |
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Molecular Structure |
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|
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Molecular Formula |
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C17H18ClN3O |
Molecular Weight |
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315.80 |
CAS Registry Number |
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3896-11-5 |
EINECS |
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223-445-4 |
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Properties |
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Melting point |
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144-147 ºC |
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|
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Safety Data |
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Hazard Symbols |
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Xi Details |
Risk Codes |
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R36/37/38 Details |
Safety Description |
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S26;S36 Details |
MSDS |
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Available |
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|
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Ultraviolet absorber UV-326
Chemical name: 2'-(2'-Hydroxy-3'-tert-buty-5'-methyl-phenyl)-5-chlorobenzotriazole
Molecular formula:C17H18N3OCL
Structural formula:
Properties:
UV-326 is a important ultraviolet absorber of bonzotriazole series, which is stable, nontoxic, higher absorbency for ultraviolet ray. widely used for photosensitive materials and poly merized material, coating and so on.
Specifications:
Appearance
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Light yellow powder
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Melting point
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≥138
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Volatile matter
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≤0.05%
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Ash content
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≤0.5%
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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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