DL Tartaric Acid (chemical formula C4H6O6, CAS Number 133-37-9) is a dicarboxylic acid containing two carboxyl groups that confer its acidic nature. It exists as a crystalline white powder that is soluble in water and exhibits a sour taste, often used for its acidifying effect. Its stereochemistry is a racemic mixture of the D and L enantiomers, which distinguishes it from L-(+)-Tartaric Acid used in some specialized applications.
Functionally, DL Tartaric Acid acts by donating protons (H+) in aqueous solutions, lowering pH and affecting the solubility and stability of other components in a formulation. It additionally acts as a chelating agent, binding metal ions that could catalyze unwanted oxidation or degradation reactions in products.
Performance-wise, DL Tartaric Acid’s buffering capacity helps maintain pH in a narrow optimal range, useful in fermentation processes, cosmetics, and pharmaceuticals. It resists changes in pH caused by dilution or addition of other substances. Its crystalline form allows for controlled dosing in manufacturing. Key properties such as melting point, solubility, and purity determine usability and shelf life. Confirm exact purity with the certificate of analysis when ordering from Zenco Systems Ltd to ensure fit for purpose.