Formula Ca(H2PO4)2, MW 234.05. White powder, specific gravity 2.220, soluble in hydrochloric and nitric acids, slightly soluble in water; hygroscopic and acidic in solution. In food industry used as leavening agent, dough conditioner, buffer, texture improver, curing agent, nutritional supplement and chelating agent, e.g. leavening agent for bakery products and pastries, fermentation aid and buffer for bread and biscuits, pectin curing agent, yeast food and texture improver for meat products; in brewing it enhances saccharification. GB25559-2010.