2,2′,4,4′-tetrahydroxybenzophenone cas 131-55-5

Chemical Name:2,2′,4,4′-Tetrahydroxybenzophenone
CAS No.: 131-55-5
Molecular Formula: C13H10O5
Molecular weight:246.22
Appearance:Palegreenish yellow crystalline powder
Assay: 99.0%min

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.

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