基本信息
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柠檬酸氢二铵
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3012-65-5
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二碱式柠檬酸铵；枸橼酸氢二铵；柠檬酸氢铵
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C6H8O7.2H3N
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226.18
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1,2,3-Propanetricarboxylicacid, 2-hydroxy-, ammonium salt (1:2)
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221-146-3
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1.22g/mLat 20°C
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1,2,3-Propanetricarboxylicacid, 2-hydroxy-, diammonium salt (9CI); Ammonium citrate ((NH4)2O7C6H6)(6CI,7CI); Citric acid, diammonium salt (8CI);2-Hydroxy-1,2,3-propanetricarboxylic acid diammonium salt; AmmCitrate; Ammoniumcitrate; Ammonium citrate dibasic; Ammonium monohydrogen citrate; Citratediammonium hydrogen; Diammonium citrate; Diammonium hydrogen2-hydroxypropane-1,2,3-tricarboxylate; Diammonium hydrogen citrate; Dibasicammonium citrate; Microstop
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155.2ºC
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185°C (dec.)(lit.)
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100°C(lit.)
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详细信息
Cas号 3012-65-5
分子式 C6H14N2O7； HOC(CO2H)(CH2CO2NH4)2
分子量 226.19
别名 柠檬酸氢二铵Ammonium citrate dibasic
无色细小结晶或白色颗粒。能溶于水,微溶于醇。 HG/T 3-1465-82
项目Item分析纯 化学纯
(AR) (CP)
含量(C6H4O7N2)Assay,%≥99.0 98.0
澄清度试验Clarity合格 合格
水不溶物Insoluble matter in water,%≤0.0050.01
灼烧残渣(以硫酸盐计)Ignition residue,% ≤0.03 0.06
氯化物(Cl)Chloride,% ≤0.0010.002
硫化合物(以SO4计)Sulfur compounds,%≤0.0050.01
磷化合物(以PO4计)Phosphours compounds,%≤0.0020.005
草酸盐(C2O4)Oxalate合格--
钙(Ca)Calcium,%≤0.0050.02
铁(Fe)Iron,% ≤0.0005 0.002
重金属(以Pb计)Heavy metals,% ≤0.0005 0.001
项目名称ItemACS Grade
含量[((NH4)2HC6H5O7)]Assay 98.0-103.0%
水不溶物Insoluble matter ≤0.005%
灼烧残渣Residue after ignition ≤0.005%
氯化物(Cl)Chloride(Cl) ≤0.0001%
重金属(以Pb计)Heavy metals(as Pb)≤0.00005%
铁(Fe)Iron(Fe) ≤0.00002%
草酸盐(C2O4)OxalatePasses test
磷酸盐(PO4)Phosphate ≤5ppm
硫化合物(以SO4计)Sulfur compounds≤0.005%密封保存。
产品用途 测定肥料中磷酸盐,防锈,增塑剂。
