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DL-Tartaric Acid
Specifications
| Item | Index |
| Assay(after drying, as C4H6O6) | 99.5% Min |
| Melting Point | 200℃~206 ℃ |
| Heavy Metals(as Pb) | 0.001% Max |
| Residue On Ignition | 0.10% Max |
| Loss on Drying | 0.5% Max |
| Arsenic(as As) | 0.0002% Max |
| Readily Oxidizable Substances | Qualified |
| Sulfate(SO4) | 0.04% Max |
Packing & Storage
| Packing | in 25kg bag |
| Storage | 20℃, 2 years. |
| Shipping | Room temperature in China; may vary elsewhere |
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General Information
Chemical & Physical Information
Safety Information
Synthetic Route
Chemical & Physical Information
| Common Names | DL-Tartaric Acid | ||
| Structure |  | ||
| CAS No. | 133-37-9, 138508-61-9 | Boiling Point (℃) | 399.3±42.0 °C |
| Molecular Weight | 150.087 | Melting Point (℃) | 200-206ºC |
| Appearance | White powder | Vapor Specific Gravity | 1.9±0.1 g/cm3 |
| HS Code | 2918120000 | Flash Point (℃) | 209.4±24.4 °C |
| Solubility | soluble in water, methanol, ethanol, glycerol and other polar solvents, slightly soluble in ether, partially soluble in chloroform | Autoignition Temperature (℃) | |
Safety Information
| Safety Phrases | |||
| RIDADR | |||
| WGK Germany | |||
| Packaging Group | |||
| Hazard Class | |||
| SYMPTOMS | PREVENTION | FIRST AID | |
| Inhalation | Cough. Sore throat. | Use local exhaust or breathing protection. | Fresh air, rest. |
| Skin | Redness. Burning sensation. Itching. | Protective gloves. | Remove contaminated clothes. Rinse and then wash skin with water and soap. |
| Eyes | Redness. Pain. | Wear safety goggles. | First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. |
| Ingestion | Abdominal pain. Nausea. Vomiting. | Do not eat, drink, or smoke during work. Wash hands before eating. | Rinse mouth. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Refer for medical attention . |
Synthetic Route
Frequently Asked Questions
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