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Products

Benzophenone-1

Product name: UV Absorber Benzophenone-1
Synonyms : 2,4-dihydroxy Benzophenone ; (2,4-dihydroxyphenyl)phenyl-methanon; Benzophenone-1; UV-0 
Appearance: White or light yellow crystalline powder 
Molecular formula: C13H10O3
Structural formula:

Molecular weight: 214.22
CAS No. :131-56-6 
Assay: 99% min
Loss on drying: 0.1% max.
Melting point: 142-146oC
Specific extinction (E290): 630 min.
Gardner color: 3.0 max.
PH: 6
Burnt residue: 0.5 max
Heavy metals: 5 ppm max
Package: Packed in 25kgs fiber drum with double PE liners, or according to customers' request.
Storage: Preserve in tight, light-resistent containers.