查看“︁磷酸二氢镁”︁的源代码

{{expand|time=2010-01-16T20:28:10+00:00}}

{{Chembox
| IUPACName = 
| Reference = <ref>[http://www.fao.org/ag/agn/jecfa-additives/specs/monograph5/additive-507-m5.pdf Monomagnesium phosphate], FAO JECFA Monographs 5 (2008)</ref>
| CustomizedImage =[[File:Mg2+.svg|60px]]<big><big><big><big><big><big><big><sub>(</sub></sub></sub></big></big></big></big></big></big></big>[[File:Dihydrogenphosphat-Ion.svg|100px]]<big><big><big><big><big><big><big><sub>)</sub></big></big></big></big></big></big></big><big><big><big><big><big><big><big><sub><sub><sub><sub>2</sub></sub></sub></sub></big></big></big></big></big></big></big>
| ImageName = 
|   ImageFile1 =
| Section1 = {{Chembox Identifiers
| CASNo = 13092-66-5
| CASNo_Comment =  (Anhydrous)
| CASNo_Ref = {{cascite|correct|??}}
| CASNo1 = 15609-87-7
| CASNo1_Comment =  (Dihydrate)
| CASNo1_Ref = {{cascite|changed|??}}
|  InChI  =  
|  StdInChI  = 
|   PubChem  =  516950
|   ChemSpiderID_Ref  = {{chemspidercite|changed|chemspider}}|  ChemSpiderID  =  451008
|   SMILES  =  OP(=O)(O)[O-].OP(=O)(O)[O-].[Mg+2]
|   InChIKey  =  QQFLQYOOQVLGTQ-NUQVWONBAA
|   StdInChI_Ref  = {{stdinchicite|changed|chemspider}}|   StdInChIKey_Ref  = {{stdinchicite|changed|chemspider}}|  StdInChIKey  =  QQFLQYOOQVLGTQ-UHFFFAOYSA-L
}}
| Section2 = {{Chembox Properties
|  Formula=Mg(H<sub>2</sub>PO<sub>4</sub>)<sub>2</sub>
|  MolarMass = 290.34
|  Appearance = 白色结晶粉末
|  Density = 1.56
|   Solubility = 溶于水、酸，不溶于[[醇]]
}}
| Section3 = {{Chembox Structure
|  CrystalStruct = 
|  SpaceGroup =  
}}
}}
'''磷酸二氢镁'''（{{lang|en|Magnesium dihydrogen phosphate}}），化学式Mg(H<sub>2</sub>PO<sub>4</sub>)<sub>2</sub>·2H<sub>2</sub>O。通常带有两个水分子（二水合磷酸二氢镁）。

==性质==
磷酸二氢镁为白色结晶粉末。溶于水、酸，不溶于[[醇]]。加热时分解生成[[偏磷酸盐]]。

==制备==
由[[氧化镁]]与[[磷酸]]混合，然后通过过滤、浓缩、冷却、离心、干燥可制得。
:<math>\rm \ 2H_3PO_4+MgO+H_2O\rightarrow Mg(H_2PO_4)_2\cdot 2H_2O</math>

==用途==
在医药上用作制造治疗风湿性关节炎的药物。塑料工业用作塑料制品的稳定剂。也用作阻燃材料。在农业上用作化肥添加剂及碱性土壤的改良剂，高温粘合剂。

== 參考文獻 ==
<references/>

{{Inorganic-compound-stub}}
{{磷酸二氫鹽}}
[[Category:镁化合物]]
[[Category:磷酸二氢盐]]
[[Category:缺少物质图片的化学品条目]]
[[Category:有E编码的食品添加剂]]