2,2′,4,4′-Tetrahydroxybenzophenone

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Product Name: 2,2',4,4'-Tetrahydroxybenzophenone
Other Name: Bis(2,4-dihydroxyphenyl)methanone
CAS No: 131-55-5
MF: C13H10O5
MW: 246.21500
Density: 1.526 g/cm3
Boiling point: 531.2ºC at 760 mmHg
Melting point: 198-200 °C(lit.)
Flash point: 289.2ºC
Refractive index: 1.718
UN Number: UN3272
UN Proper Shipping Name: ESTERS, N.O.S.
Transport hazard class: 3
Packing group: III
 
Specification
Appearance: Light yellow green crystalline powder
Assay: ≥99%
Loss on drying: ≤0.50%
Heavy metal: ≤5ppm
Hazen: ≤3.0
Turbidity: ≤12 NTU
 
Application
Widely used in polyester, paints and cosmetics, etc. 
In recent years, the application on fabrics has been paid more and more attention by the textile industry.
FDA approved Class I sunscreen.
 
Package: 25kg/drum, can also be designed according to customer requirements.
Storage: Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

2,2',4,4'-Tetrahydroxybenzophenone


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