查看“︁柠檬酸铵”︁的源代码

{{chembox
|   Reference = 
|   Name = 柠檬酸铵
|   ImageFile1 = Ammoniumcitrat V2.svg
|   ImageSize1 = 250px
|   ImageName1 = 柠檬酸铵
|   ImageFile2 = Ammoniumcitrat.JPG
|   ImageSize2 = 200px
|   ImageName2 = 柠檬酸铵结晶
|   IUPACName = Ammonium citrate
|   OtherNames = 柠檬酸三铵<br />枸橼酸铵<br />E 380
| Section1 = {{Chembox Identifiers
|   SMILES = OC(CC([O-])=O)(CC([O-])=O)C([O-])=O.[NH4+].[NH4+].[NH4+]
|   CASNo = 3458-72-8
|   CASNo_Ref = {{cascite}}
  }}
| Section2 = {{Chembox Properties
|   Formula = C<sub>6</sub>H<sub>17</sub>N<sub>3</sub>O<sub>7</sub>
|   MolarMass = 243.2151
|   Appearance = 无色结晶固体
|   Density = 1.48 g/cm<sup>3</sup>(20 °C)<ref>{{cite book en|author=Thieme Chemistry|title=RÖMPP Online - Version 3.5|publisher=Georg Thieme Verlag KG|location=Stuttgart|year=2009}}</ref>
|   Solubility = 易溶<ref name="ALFA">[http://www.alfa-chemcat.com/daten_msds/D/A16973_-_D.pdf  Alfa-Aesar MSDS]{{dead link|date=2018年3月 |bot=InternetArchiveBot |fix-attempted=yes }}</ref>
|   MeltingPt = 185 °C<ref>{{Cite web |url=http://www.sigmaaldrich.com/catalog/search/ProductDetail/FLUKA/09723 |title=Fluka MSDS |access-date=2009-12-25 |archive-date=2008-09-26 |archive-url=https://web.archive.org/web/20080926143553/http://www.sigmaaldrich.com/catalog/search/ProductDetail/FLUKA/09723 |dead-url=no }}</ref>
|   BoilingPt =
  }}
| Section7 = {{Chembox Hazards
|   ExternalMSDS = [http://www.alfa-chemcat.com/daten_msds/D/A16973_-_D.pdf  Alfa-Aesar MSDS]
|   EUClass = 刺激性（'''Xi'''）
|   RPhrases = {{R36/37/38}}
|   SPhrases = {{S26}},{{S37}}
  }}
}}

'''柠檬酸铵'''，分子式C<sub>6</sub>H<sub>17</sub>N<sub>3</sub>O<sub>7</sub>，其水溶液顯弱酸性。

==性质==
白色[[潮解]]粉末或结晶。易溶于水。熔点时有分解。低毒。

==制备==
通过向[[柠檬酸]]溶液中通入[[氨气]]、保持温度在60°C以下反应而得。
:<math>\ (HOOCCH_2)_2C(OH)COOH+3(NH_3\cdot H_2O) \rightarrow</math><math>\ (H_4NOOCCH_2)_2C(OH)COONH_4+3H_2O</math>

==用途==
用作测定肥料中[[磷酸盐]]的试剂、酸度调节剂，也用于制药、防锈和无氰电镀。

==参考资料==
{{reflist}}

[[Category:有机酸铵盐]]
[[Category:柠檬酸盐]]
[[Category:有E编码的食品添加剂]]