Calcium benzoate is the calcium salt of benzoic acid. It is used in the food industry as a preservative; its E number is E213 General Name, Symbol, Number calcium, Ca, 20 Chemical series alkaline earth metals Group, Period, Block 2, 4, s Appearance silvery white Atomic mass 40. ... Benzoic acid, C6H5C(O)OH, is an aromatic carboxylic acid. ... A preservative is a natural or synthetic chemical that is added to products such as foods, pharmaceuticals, paints, biological samples, etc. ... For the mathematical constant see: E (mathematical constant). ...
This is the calcium salt of formic acid, E236, formerly used as a diuretic.
Calcium acetate is used in food as a thickening agent (cake mixtures, puddings, pie fillings), as a buffer in controlling the pH of food during processing, as a preservative to prevent microbial growth, and as a calcium supplement in pet products.
Calcium propionate is the calcium salt of propionic acid, E280.
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