一、化学名：磷酸二氢钙，磷酸一钙
二、分子式：Ca（H2PO4）2，Ca（H2PO4）2·H2O
三、分子量：无水物：234.05；一水物：252.07
四、CAS：无水物：7758-23-8；一水物：10031-30-8
五、性能：白色结晶粉末或片状结晶，比重2.220，在100℃时失去结晶水，溶于盐酸及硝酸，微溶于水（1.8﹪）。
六、用途：在食品工业中作膨松剂、面团调节剂、缓冲剂、组织改良剂、固化剂、营养增补剂、螯合剂等。
七、包装：内衬聚乙烯塑料袋，外套复合塑料编织袋包装，每袋净重25千克。
八、贮存与运输：本品应贮存在干燥通风清洁的库房中，装载运输时要轻装轻放，防止包装破损，防止受潮、受热，运输过程中防止雨淋受潮，应与有毒物品隔离。
质量指标 | Specification | GB25559-2010 | FCC,1999 |
含量(以Ca计) ， w/% | 无水物 | Content（As Ca ） | 16.8-18.3 | 16.8-18.3(Anhydrous) |
一水物 | 15.9-17.7 | 15.9-17.7(Monohydrate) |
砷 (As), mg/kg ≤ | Arsenic | 3 | 3 |
铅 (Pb), mg/kg ≤ | Lead | 3 | 5 |
重金属（以P b计），mg/kg ≤ | Heavy Mental（As P b） | 10 | 15 |
氟化物(以F计), mg/kg ≤ | Fluoride | 25 | 50 |
干燥减量，无水物，w/% ≤ | Loss On Drying | 1.0 | 1.0（ Anhydrous） |
灼烧减量，一水物，w/% ≤ | Loss On Ignition | 14.0-15.5 | 14.0-15.5(
Monohydrate) |
澄清度 | Clarity | 通过试验 | -- |
碳酸盐 | Carbonate | 通过试验 | -- |
游离酸及其副盐 | Free Acid & Its Auxiliary Salt | 通过试验 | -- |
1、Chemical Name: MONOCALCIUM PHOSPHATE
2、Molecular Formula : Ca（H2PO4）2 ，Ca（H2PO4）2·H2O
3、Molecular
Weight: Anhydrous：234.05；Monohydrate：252.07
4、CAS：Anhydrous：7758-23-8；Monohydrate：10031-30-80
5、Character: It is white
crystalline powder or flaky crystal. Specific gravity is2.220. When heated to100℃,it begins to lose crystal water. It
is soluble in hydrochloric acid and nitric acid ,slightly soluble in water(1.8﹪).
6、Usage: In food industry,
it is used as swelling agent ,dough regulator ,buffering agent, modifier,
firming agent ,nutritional supplement ,chelating agent.
7、Packing: It is packed with
polyethylene bag as inner layer, and a compound plastic woven bag as the outer
layer. The net weight of each bag is25kg.
8、Storage and Transport：It should be
stored in a dry and ventilating warehouse; be cautious to keep away from moisture
and hot; unloaded with care , so as t o avoid the damage. Furthermore, it
should be stored separately from poisonous substances.
