Sodium Tetraborate Decahydrate
About This Item
| Product Name | Sodium Tetraborate Decahydrate |
| Product Code | 122406 |
| Appearance | A white crystalline powder |
| Formula | Na₂B₄O₇·10H₂O |
| EC Index-No. | 005-011-01-1 |
| EC-No. | 215-540-4 |
| CAS-No. | 1303-96-4 |
| Assay | 99 – 103% |
| Molecular Weight | 381.37 |
| Grade | ACS Reagent |
Specification
| Colour | White |
| Odour | Odourless |
| Melting point | 75 °C |
| Boiling point | 320 °C (1013 hPa) |
| Flammability | Non flammable |
| pH | 9.2 – 9.5 |
| pH solution concentration | 5% |
| Solubility | Water: 39 g/l at 20 °C – completely soluble |
| Vapour pressure | 0.213 hPa at 20 °C |
| Density | 1.73 g/cm³ at 25 °C |
| Sulphate (SO₄) | Max 0.005% |
| Heavy metal (as Pb) | Max 0.002% |
| Carbonate, bicarbonate | Passes test |
| Arsenic (As) | Max 0.0005% |
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