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Diphenyl sulfone CAS 127-63-9 is white crystal or powder. Melting point 128-129 ° C, boiling point 379 ° C, 232 ° C (2.4 kPa), relative density of 1.252 (20 / 4 ° C). Soluble in hot ethanol, ether and benzene, slightly soluble in hot water, insoluble in cold water.
Specification
Item |
Specification |
Specific rotation |
+39.5 to +41.5° |
State of solution(transmittance) |
Clear 98.0% min. |
Chloride[cl] |
0.020% max. |
Ammonium [NH4] |
0.02% max. |
Sulfate[SO4] |
0.020% max |
Iron[Fe] |
10ppm max. |
Heavy metals [Pb] |
10ppm max |
Arsenic[As2O3] |
1ppm max |
Other amino acids |
Chromatographically not detectable |
Loss on drying |
0.20% max. |
Residue on ignition[sulfated] |
0.10% max. |
Assay |
99.0% min |
Application
1. Used for organic synthesis
2. Used as medicine, pesticide intermediate
Packing
25kg/drum，25kg/bag
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