| Article No. | 06027 |
| Purity | 99% |
| Molecular Formula | C4H4Na2O6.2H2O |
| H.S. Code | 2918.1390 |
| Grade | AR/ACS |
| CAS No. | 6106-24-7 |
| Molecular Weight | 230.08 |
| Shelf Life | 60 Months |
Symbol:
| Physical state at 20 °C | Solid | Colour | White crystalline | ||||
| Odour | Slight tartaric odor | pH value | 7 - 9 at 50 g/l at 20 °C | ||||
| Melting point/ Freezing point [°C] | 120°C | Density [g/cm3] | 1.82 | ||||
| Solubility in water [% weight] | 29 g/100 g water at 60C | ||||||
| Appearance | White crystalline powder | Assay (by HClO4 titration) | 99.0-101.0% |
| Identity (IR) | Passes test | Optical rotation (c = 10%; H2O) | +25.0° to +27.0° |
| Insoluble matter (10% in water) | Max 0.005% | pH (5% solution in water; 25°C) | 7.0 - 9.0 |
| Loss on drying (150°C to constant weight) | 15.61 - 15.71 % | Chloride (Cl) | Max 0.0005% |
| Iron (Fe) | Max 0.001% | Heavy metal (as Pb) | Max 0.0005% |
| Ammonium (NH4) | Max 0.003 % | Sulphate (SO4) | Max 0.005% |
| Phosphate (PO4) | Max 0.0005% | Calcium (Ca) | Max 0.01% |
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