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POTASSIUM HYDROGEN TARTRATE Extra Pure
Conforms to BP
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC1748 | Extra Pure | 99.50% | 868-14-4 | C4H5KO6 | 188.18 | 2918.1310 | 60 Months |
Packings
| 500 g,25 Kg,50 Kg |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | White powder |
| Odour | Odorless |
| pH value | 3.4 - 3.7 at 20 °C |
| Melting point/ Freezing point [°C] | > 250 °C |
| Density [g/cm3] | 1.954 |
| Solubility in water [% weight] | Slightly soluble in water |
Specifications
| Appearance | White or almost white, crystalline powder or colourless crystals |
| Assay (acidimetric; on dried basis) | 99.5 - 100.5% |
| Solubility | Passes test |
| Identification | Passes test |
| Specific optical rotation ([α]20/D) | + 8.0° to + 9.2° |
| Oxalic acid | Max. 0.05% |
| Chloride (Cl) | Max. 0.05% |
| Sulphate (SO4) | Max. 0.05% |
| Barium (Ba) | Passes test |
| Heavy metal (as Pb) | Max. 0.001% |
| Loss on drying (at 105°C) | Max. 0.5% |
Safety Information and Hazard Symbols
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Revision Date : 31-Jan-2020
Certificate of Analysis (COA's)
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