Malic Acid
L-Malic Acid,DL-Malic Acid
| PROPERTIES | |
| Properties | |
| Chemical formula | C4H6O5 |
| Density | 1.609 g cm−3 |
| Melting point | 130 °C (266 °F; 403 K) |
| Molar mass | 134.09 g·mol−1 |
| SPECIFICATION | |||
| Specification | : | DL | L |
| Appearance: | : | White or nearly white, crystalline powder or granules having a strong acid taste | White crystals or crystalline powder, fairly hygroscopic, dissolves readily in water |
| and alcohol. | |||
| C4H6O5: | : | 99.0% - 100.5% | 99.0% Min |
| Specific Rotation: | : | -0.10 ~ +0.10 | -1.6 - 2.6° |
| Heavy Metals (as Pb): | : | 10mg/kg Max | 20mg/kg |
| Residue on Ignition: | : | 0.1% Max | |
| Fumaric Acid: | : | 1.0% Max | |
| Maleic Acid: | : | 0.05% Max | |
| Water-insoluble Matter: | : | 0.1% Max | |
| Arsenic (as As2O3): | : | 3mg/kg Max | 2.0mg/kg Max |
| Qxide: | : | Qualified | Qualified |
| Max Residue on Igintion: | : | 0.05% Max | |
| Max Chloride [CI-]: | : | 0.004% Max | |
| Max Sulfate: | : | 0.03% Max | |
| Max Fumaric Acid: | : | 0.1% Max | |
| Max Maleic Acid : | : | 0.05% Max | |