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Product name:UV Absorber Benzophenone-2
Synonyms: 2,2',4,4'-tetrahydroxy Benzophenone
Molecular formula:C13H10O5                             
Molecular weight: 
CAS No.: 131-55-5 
Appearance: Light yellow crystalline powder
Assay: 99% min
Loss on drying: 0.5% max
Melting point: 195oC min
Color: 3.0  max
A1/1(345nm): 580 min
Turbidity: 12 NTU
Package: Packed in 25kgs fiber drum with double PE liners, or according to customers' request.