性 能：由不同磷酸钙组成的混合物，大致组成为10CaO·3P2O5·H2O，分子量1004.64。白色无定形粉末，无臭无味。相对密度3．18。难溶于水，易溶于稀盐酸和硝酸。在空气中稳定。
用 途：在食品工业中作膨松剂、面团调节剂、缓冲剂、组织改进剂、固化剂、营养增补剂、螯合剂等。如作焙制品、糕点膨松剂。面包、饼开的助酵剂、缓冲剂、果胶固化剂(凝胶作用)，酵母食料肉类制品组织改进剂等。用于酿造，可增加糖化力，提高发酵能力。包 装：外袋为编织袋或牛皮纸袋，内衬聚乙烯塑料袋，每袋净重25kg。
指标名称Name of index FCC-VE 341（iii）USP-30含量(无水物)Assay%34.0-40.0(as Ca)≥90(On the ignited basis)34.0-40.0 (as Ca)P2O5含量(无水物)P2O5 Content%--38.5--48.0 (Anhydrous basis)--外观Description a white, odourless powder which is stable in air鉴别试验Identification Pass testPass testPass test水溶物质Water-soluble substance≤%----0.5酸不溶物Acid-insoluble substance≤%----0.2碳酸盐Carbonate ----Pass test氯Chloride≤%----0.14硫酸盐Sulfate≤%----0.8二基盐和钙氧化物Dibasic salt and calcium oxide ----Pass test溶解测试Solubility tests --Practically insoluble in water, insoluble in ethanol soluble in dilute hydrochloric and nitric acid--砷Arsenic ,≤mg/kg313钡Barium ----Pass test氟Fluoride≤mg/kg7550(expressed as fluorine)75硝酸盐Nitrate ----Pass test重金属Heavy metals≤mg/kg----30铅Lead≤mg/kg21--镉Cadmium≤mg/kg--1--汞Mercury≤mg/kg--1--灼烧失重Loss on ignition≤%10.08.0(800℃±25℃，0.5h)8.0 (800℃,0.5h)铝Aluminium --Not more than 150 mg/kg (only if added to food for infants and young children) Not more than 500 mg/kg (for all uses except food for infants and young children). This applies until 31 March 2015 Not more than 200 mg/kg (for all uses except food for infants and young children). This applies from 1 April 2015.--
