基本信息
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磷酸二氫鈣
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7758-23-8
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磷酸二氫鈣(食品級(jí));磷酸一鈣;磷酸二氫鈣(食用級(jí));磷酸一鈣(食用級(jí));二磷酸四氫鈣
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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
詳細(xì)信息
Cas號(hào) 7758-23-8 MDL號(hào): MFCD00010898
Beilstein 號(hào) EINECS: 231-837-1
分子式 Ca(H2PO4)2?H2O
分子量 252.06
別名 磷酸二氫鈣Calcium phosphate monobasic
無(wú)色三斜形片狀、粒狀或結(jié)晶粉性末。純時(shí)不吸潮,但含有微量雜質(zhì),如含有磷酸時(shí)能潮解。呈強(qiáng)酸性。在100℃時(shí)失去結(jié)晶水,200℃分解。略溶于水,能溶于稀鹽酸、硝酸和乙酸。 項(xiàng)目Item 分析純 化學(xué)純
(AR)(CP)
含量[Ca(H2PO4)2?H2O]Assay,%≥ 92.0 90.0
鹽酸不溶物Insoluble in hy-
drochloride acid,%≤ 0.015 0.03
氯化物(Cl)Chloride,%≤ 0.005 0.01
硫酸鹽(SO4)Sulfale,%≤ 0.020.03
硝酸鹽(NO3)Nitrate 合格 --
酸度(H3PO4)Acidity,%≤ 7.8 9.8
鎂(Mg)Magnesium,% ≤ 0.050.04
鐵(Fe)lron,%≤ 0.01 --
砷(As)Arsenic,% ≤ 0.00050.002
氨(NH3)Ammonia,% ≤ 0.01 --
重金屬(以Pb計(jì))Heavy metals,%≤ 0.002 0.002
密封保存。
產(chǎn)品用途 焙粉和面粉的酸化劑,食品和飼料國(guó)補(bǔ)充礦物質(zhì)
