Description
2,2′,4,4′-Tetrahydroxybenzophenonequick Details
Chemical Name:2,2′,4,4′-Tetrahydroxybenzophenone
CAS No.: 131-55-5
Molecular Formula: C13H10O5
Chemical Structure:
Molecular weight:246.22
Appearance:Palegreenish yellow crystalline powder
Assay: 99.0%min
2,2′,4,4′-Tetrahydroxybenzophenonetypical Properties
Item
Specifications
Appearance
Palegreenish yellow crystalline powder
Purity
99.0%min
Melting Point
195.0-203.0℃
Loss on drying
0.5% max
Heavy metals (Pb)
5ppm max
Spefic Extinction (1%,1cm)(345nm)
580min
Gardner color
3.0max
2,2′,4,4′-Tetrahydroxybenzophenoneusage
1.Cosmetic UV protection additives
2.Pharmaceutical intermediates
3.Photographic materials
2,2′,4,4′-TetrahydroxybenzophenonePackaging and Shipping
Packing: 20kg/carton
Delivery: Non-dangerous goods
2,2′,4,4′-Tetrahydroxybenzophenonestorage
Stable for at least 2 years at 20°C in a sealed container in the dark.
