一、化學名：磷酸二氫鈣，磷酸一鈣
二、分子式：Ca（H2PO4）2，Ca（H2PO4）2·H2O
三、分子量：無水物：234.05；一水物：252.07
四、CAS：無水物：7758-23-8；一水物：10031-30-8
五、性能：白色結晶粉末或片狀結晶，比重2.220，在100℃時失去結晶水，溶于鹽酸及硝酸，微溶于水（1.8﹪）。
六、用途：在食品工業中作膨松劑、面團調節劑、緩沖劑、組織改良劑、固化劑、營養增補劑、螯合劑等。
七、包裝：內襯聚乙烯塑料袋，外套復合塑料編織袋包裝，每袋凈重25千克。
八、貯存與運輸：本品應貯存在干燥通風清潔的庫房中，裝載運輸時要輕裝輕放，防止包裝破損，防止受潮、受熱，運輸過程中防止雨淋受潮，應與有毒物品隔離。
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Specification |
GB25559-2010 |
FCC,1999 |
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含量(以Ca計) ， w/% |
無水物 |
Content（As Ca ） |
16.8-18.3 |
16.8-18.3(Anhydrous) |
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一水物 |
15.9-17.7 |
15.9-17.7(Monohydrate) |
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砷 (As), mg/kg ≤ |
Arsenic |
3 |
3 |
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鉛 (Pb), mg/kg ≤ |
Lead |
3 |
5 |
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重金屬（以P b計），mg/kg ≤ |
Heavy Mental（As P b） |
10 |
15 |
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氟化物(以F計), mg/kg ≤ |
Fluoride |
25 |
50 |
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干燥減量，無水物，w/% ≤ |
Loss On Drying |
1.0 |
1.0（ Anhydrous） |
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灼燒減量，一水物，w/% ≤ |
Loss On Ignition |
14.0-15.5 |
14.0-15.5( Monohydrate) |
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澄清度 |
Clarity |
通過試驗 |
-- |
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碳酸鹽 |
Carbonate |
通過試驗 |
-- |
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游離酸及其副鹽 |
Free Acid & Its Auxiliary Salt |
通過試驗 |
-- |
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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 to 100℃,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 is 25kg.
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.
