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