Potassium Bitartrate (CAS 868-14-4), commonly called cream of tartar, is an organic acid salt of tartaric acid that appears as a colorless or white crystalline powder and serves the food industry as a stabilizer, acidity regulator, and leavening component.
Typical Properties
| Molecular formula | C4H6O6.K |
|---|---|
| Molecular weight | 188.18 g/mol |
| Appearance | white crystalline powder |
| Form | Crystals or Powder |
| Color | Colorless opaque or white |
| Odor | Odorless |
| Melting point | 267°C (dec.) |
| Boiling point | 318°C[at 101 325 Pa] |
| Density | 1.984 g/cm³ @ Temp: 18 °C |
| Water solubility | Soluble in water and dilute mineral acid. Insoluble in alcohol. |
| Flash point | 210°C |
| pH | 3.4-3.7 (H2O, 20°C)(saturated solution) |
| HS code | 29181300 |
| Grades available | Food Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
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Potassium Bitartrate
Applications
Used in food and beverages as a stabilizer, acidity regulator, and leavening component. In laboratories, it serves as a reagent for analytical titrations.
Safety & Risks
Non-toxic; avoid excessive humidity.
Packaging
Supplied in 25 kg paper bags or drums. Store in cool, dry, and sealed conditions.