Specifications
| Item | Index |
| Purity ≥% | 99.5 |
| Sulphate≤% | 0.02 |
| Heavy metal(Pb)≤% | 0.001 |
| Chloride(Cl)≤% | 0.01 |
| Arsenic(As)≤% | 0.0002 |
| NH3≤% | qualified |
| Loss on drying≤% | 0.3 |
| Insoluble matter of hydrochloric aicd≤% | 0.03 |
Packing & Storage
| Packing | in 25kg bag |
| Storage | 20℃, 2 years. |
| Shipping | Room temperature in China; may vary elsewhere |
Free Quote
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General Information
| Common Names | Potassium Bitartrate | Potassium hydrogen tartrate | ||
| Structure |  | ||
| CAS No. | 868-14-4 | Boiling Point (℃) | N/A |
| Molecular Weight | 187.17 | Melting Point (℃) | 267°C |
| Appearance | White powder | Bulk density (g/mL) | N/A |
| HS Code | 2918130000 | Flash Point (℃) | 410 °F |
| Solubility | The solubility in water varies with temperature, insoluble in ethanol, acetic acid, easily soluble in inorganic acid | Autoignition Temperature (℃) | / |
| 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. |
Frequently Asked Questions
Properties of Potassium Bitartrate
Potassium bitartrate is the acid salt of potassium tartrate. It is usually a colorless to white orthorhombic crystalline powder. The solubility in water changes with temperature. It is insoluble in ethanol and acetic acid, and easily soluble in inorganic acids.
Uses of Potassium Bitartrate
Potassium bitartrate is a by-product of winemaking. It is called tartar powder in the food industry. It is used as an additive, a leavening agent (making cakes and bread, etc.), and is also used as a reducing agent and buffering agent.