POTASSIUM TARTRATE HEMIHYDRATE, CAS No. 6100-19-2

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6100-19-2

Catalog No. EBD3061506

CAS 6100-19-2

Name POTASSIUM TARTRATE HEMIHYDRATE

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Basic Information

Synonyms: TARTARSOLUBLE POTASSIUML-TARTRATEHYDRATE POTASSIUMTARTRATEHEMIHYDRATE POTASSIUML-TARTRATEHEMIHYDRATE POTASSIUMTARTARATE-WATER(2/1) L-TARTARICACIDDIPOTASSIUMSALT DI-POTASSIUMTARTRATEHEMIHYDRATE POTASSIUM(+)-TARTRATE-WATER(2/1) POTASSIUML-TARTRATEHEMIHYDRATE,96% POTASSIUMTARTRATEDIBASICHEMIHYDRATE POTASSIUMTARTRATE1/2-HYDRATE dipotassiumtartratehemihydrate

Molecular Formula: C4H6K2O7

Molecular Weight: 244.28

Categories: Medicinal Chemistry > Pharmaceutical Excipients > Isotonic Agents, pH Adjusters, and Buffers Synthetic Chemistry > Basic Synthetic Reagents > Other Basic Synthetic Reagents

Product Description:

Potassium bitartrate hemihydrate, also known as cream of tartar, is a potassium salt of tartaric acid with the chemical formula KC₄H₅O₆·½H₂O. It appears as a white, crystalline powder and is a natural byproduct of winemaking. The compound is widely recognized for its role as a leavening agent in baking, where it reacts with baking soda to produce carbon dioxide gas. In the pharmaceutical industry, potassium bitartrate serves as a crucial excipient. Its primary functions are as a buffering agent and a source of potassium ions. It is used to adjust and stabilize the pH of liquid formulations, such as oral solutions and syrups, ensuring drug stability and patient tolerability. Additionally, it can act as a mild laxative in specific medicinal preparations. Beyond its food and pharmaceutical applications, it finds use as a mild acidulant and stabilizing agent in various industrial processes. In chemical synthesis, it can serve as a chiral resolving agent for separating racemic mixtures of amines due to its natural (L)-(+)-tartaric acid origin, although this is a more specialized application compared to its primary roles.

Physical Properties

Melting Point: 155°C -H2O

Boiling Point: 399.3 °C at 760 mmHg

Flash Point: 209.4 °C