CAS Number
Formula
C6H8O6
Weight
M: 176,13 CAS: 50-81-7 EC: 200-066-2 NC: 2936 27 00
| Assay (Iodom.) | 99,0-100,5% |
| Identity according to Pharmacopoeias | p/t. |
| Specific rotation [a]20/D c=10 (in H2O) | +20,5 to+21,5° |
| MAX. IMPURITIES | |
| Appearance of solution | p/t. |
| Insoluble matter in H2O | p/t. |
| Residue on ignition (as SO4) | 0,1 % |
| Oxalic acid | 0,2 % |
| Residual solvents (Ph.Eur./USP) | p/t. |
| Chloride (Cl) | 0,025 % |
| Sulphate (SO4) | 0,01 % |
| Related substances: | |
| D-Sorbosonic Acid | 0,1 % |
| Methyl-D-Sorbosonate | 0,15 % |
| Other impurities | 0,10 % |
| Total impurities | 0,2 % |
| Heavy metals (as Pb) | 0,001 % |
| Cu | 0,0005 % |
| Fe | 0,0002 % |
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