CAS No.: 110-44-1
Appearance: Colorless crystals or white crystalline powder
Purity %≥: 99
Oxalate ≤: 110ppm
Heavy Metal(Pb) ≤: 10ppm
Residue on ignition %≤: 0.2
Moisture %≤: 0.5
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Sorbic acid and its salts, such as sodium sorbate, potassium sorbate, and calcium sorbate, are antimicrobial agents often used as preservatives in food and drinks to prevent the growth of mold, yeast, and fungi. In general the salts are preferred over the acid form because they are more soluble in water, but it is the acid form that is active. The optimal pH for the antimicrobial activity is below pH 6.5. Sorbates are generally used at concentrations of 0.025% to 0.10%. Adding sorbate salts to food will, however, raise the pH of the food slightly so the pH may need to be adjusted to assure safety. It is found in many other foods, such as cheeses and breads.
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