L-(+)-Tartaric acid
About This Item
| Product Name | L-(+)-Tartaric acid |
| Product Code | 248870 |
| Appearance | White crystalline powder |
| Formula | C₄H₆O₆ |
| EC-No. | 201-766-0 |
| CAS-No. | 87-69-4 |
| Assay | 99.5% |
| Molecular Weight | 150.09 |
| Grade | Extra pure |
Specification
| Odour | Odourless |
| Melting point | 168 – 170 °C |
| Boiling point | 399.3 °C |
| Flash point | 150 °C – closed cup |
| Auto-ignition temperature | 425 °C |
| Decomposition temperature | > 170 °C |
| pH | 1 – 2 at 25 °C |
| pH solution concentration | 10% |
| Solubility | Water: 1400 g/l at 20 °C – Very soluble |
| Vapour pressure | < 0.05 hPa at 20 °C |
| Density | 1.76 g/cm³ at 20 °C |
| Chloride (Cl) | Max 0.002% |
| Sulphate (SO₄) | Max 0.015% |
| Heavy metal (as Pb) | Max 0.001% |
| Loss on drying (at 105°C) | Max 0.5% |
| Oxalate (as C₂H₂O₄) | Max 0.05% |
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