Di-Potassium hydrogen Phosphate
About This Item
| Product Name | Di-Potassium hydrogen Phosphate |
| Product Code | 234540 |
| Appearance | White hygroscopic crystalline powder |
| Formula | K₂HPO₄ |
| EC-No. | 231-834-5 |
| CAS-No. | 7758-11-4 |
| Assay | 98 – 100.5% |
| Molecular Weight | 174.18 |
| Grade | ACS Reagent |
Specification
| Colour | White crystalline |
| Odour | Odourless |
| Melting point | > 465 °C (decomposes) |
| Flammability | Non flammable |
| Decomposition temperature | > 465 °C |
| pH | 8.5 – 9.6 |
| pH solution concentration | 10% |
| Solubility | Water: 149.25 g/100ml at 20°C – completely soluble; Ethanol: Slightly soluble |
| Density | 2.44 g/cm³ |
| pH (10% solution in water) | 8.5 – 9.6 |
| Insoluble matter in water | Max 0.2% |
| Potassium hydrogen phosphate (KH₂PO₄) | Max 3.0% |
| KMnO₄ reducing matter (as O) | Max 0.04% |
| Loss on drying (at 130°C) | Max 1% |
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