Potassium Tartrate Hemihydrate, with the CAS number 6100 - 19 - 2, is a high - quality chemical compound offered at a low price. It is a white crystalline powder or granular substance. The chemical formula of Potassium Tartrate Hemihydrate is C₄H₄K₂O₆·0.5H₂O. Its molecular weight is approximately 235.26 g/mol. This product is odorless and has a cool, saline taste. It is soluble in water, and the solubility varies with temperature. At room temperature, it can dissolve to a certain degree, providing a clear and colorless solution. The pH value of its aqueous solution is usually around 7 - 8, indicating a slightly alkaline nature. It has good stability under normal storage conditions but should be protected from moisture and extreme temperatures to maintain its quality.
Potassium Tartrate Hemihydrate has a wide range of applications in different industries. In the food industry, it is used as an acidity regulator. It can adjust the acidity or alkalinity of food products, improving their taste and stability. For example, in the production of wine, it helps to control the tartness level, enhancing the overall flavor of the wine. It is also used in the baking industry as a leavening agent. When combined with acid salts, it can produce carbon dioxide gas, which makes the dough rise.
In the pharmaceutical industry, Potassium Tartrate Hemihydrate serves as an expectorant. It can increase the production of respiratory tract secretions, making it easier to expel phlegm. Additionally, it can be used in the formulation of some pharmaceuticals as a buffering agent to maintain the stability of the drug's pH value.
In the laboratory, it is a common reagent for various chemical analyses. It can be used in complexometric titrations and as a standard substance for calibration. In the electroplating industry, it can be used to improve the quality and adhesion of metal coatings.
When using Potassium Tartrate Hemihydrate in the food industry, the appropriate amount should be added according to the specific food product and relevant regulations. For example, in wine production, it is usually added in the fermentation process. The dosage is typically determined by the initial acidity of the grape juice and the desired final acidity of the wine. It should be dissolved in a small amount of water first and then added slowly to the wine while stirring gently.
In the pharmaceutical industry, it is used in strict accordance with the formulation requirements. The powder should be accurately weighed and mixed with other ingredients under proper conditions. It is often dissolved in a suitable solvent to form a homogeneous solution before being incorporated into the final product.
In the laboratory, when using it as a reagent, it should be handled with clean and dry utensils. The required amount should be precisely measured using weighing equipment. It is usually dissolved in distilled water to prepare a solution of the appropriate concentration for the specific analysis method.
Case 1: A small - scale winery was facing the problem of inconsistent wine acidity. After using Potassium Tartrate Hemihydrate to adjust the acidity during the fermentation process, they found that the taste of their wine became more balanced. The tartness was well - controlled, and the wine received positive feedback from customers. The winery followed a strict dosage regime based on the grape juice analysis results. They first dissolved a calculated amount of Potassium Tartrate Hemihydrate in warm water and then added it slowly to the fermenting wine over a period of several hours while constantly monitoring the pH value.
Case 2: A pharmaceutical company was developing a new expectorant drug. They used Potassium Tartrate Hemihydrate as a key ingredient. By carefully formulating the drug with other active and inactive ingredients, they were able to produce a product with good efficacy. During the production process, they ensured the accurate weighing and mixing of Potassium Tartrate Hemihydrate with other components to maintain the stability and quality of the drug.
Case 3: In a chemical laboratory, researchers were conducting a complexometric titration experiment. They used Potassium Tartrate Hemihydrate as a standard substance for calibration. By preparing a precise solution of it, they were able to obtain accurate titration results. The preparation process involved accurate weighing and dissolution in distilled water, followed by careful standardization of the solution.
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