基本信息
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磷酸二氢钙
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7758-23-8
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磷酸二氢钙(食品级);磷酸一钙;磷酸二氢钙(食用级);磷酸一钙(食用级);二磷酸四氢钙
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Ca.2H3O4P
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234.05
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Phosphoric acid,calcium salt (2:1)
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231-837-1
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2.22（16/4℃）
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Acidcalcium phosphate; C 38; C 38 (phosphate); Calcium biphosphate; Calciumbis(dihydrogen phosphate); Calcium bis(orthophosphate); Calcium dihydrogenorthophosphate; Calcium dihydrogen phosphate; Calcium diorthophosphate; Calciumhydrogen phosphate (Ca(H2PO4)2); Calcium hydrogen phosphate (CaH4(PO4)2);Calcium monobasic phosphate; Calcium orthophosphate monobasic; Calcium phosphate(1:2); Calcium phosphate (Ca(H2PO4)2); Calcium phosphate (CaH4(PO4)2); Calciumphosphate monobasic; Calcium phosphate, primary; Calcium primary phosphate;Calcium superphosphate; Calcium tetrahydrogen orthophosphate; Calciumtetrahydrogen phosphate; HT Monocalcium Phosphate; Monobasic calcium phosphate;Monocalcium dihydrogen phosphate; Monocalcium orthophosphate; Monocalciumphosphate; Monocalcium phosphate (Ca(H2PO4)2); Monocalcium phosphate[CaH4(PO4)2]; V 90
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158oC at 760 mmHg
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中毒
详细信息
Cas号 7758-23-8 MDL号: MFCD00010898
Beilstein 号 EINECS: 231-837-1
分子式 Ca(H2PO4)2?H2O
分子量 252.06
别名 磷酸二氢钙Calcium phosphate monobasic
无色三斜形片状、粒状或结晶粉性末。纯时不吸潮,但含有微量杂质,如含有磷酸时能潮解。呈强酸性。在100℃时失去结晶水,200℃分解。略溶于水,能溶于稀盐酸、硝酸和乙酸。 项目Item 分析纯 化学纯
(AR)(CP)
含量[Ca(H2PO4)2?H2O]Assay,%≥ 92.0 90.0
盐酸不溶物Insoluble in hy-
drochloride acid,%≤ 0.015 0.03
氯化物(Cl)Chloride,%≤ 0.005 0.01
硫酸盐(SO4)Sulfale,%≤ 0.020.03
硝酸盐(NO3)Nitrate 合格 --
酸度(H3PO4)Acidity,%≤ 7.8 9.8
镁(Mg)Magnesium,% ≤ 0.050.04
铁(Fe)lron,%≤ 0.01 --
砷(As)Arsenic,% ≤ 0.00050.002
氨(NH3)Ammonia,% ≤ 0.01 --
重金属(以Pb计)Heavy metals,%≤ 0.002 0.002
密封保存。
产品用途 焙粉和面粉的酸化剂,食品和饲料国补充矿物质
