查看“︁钼酸钠”︁的源代码

{{chembox
| verifiedrevid = 399249843
| ImageFile = Molybdenan sodný.JPG
| ImageFile1 = Natriummolybdaat.png
| ImageFile2 = Sodium-molybdate-dihydrate-xtal-3D-vdW-labelled.png
| IUPACName = Sodium molybdate
| OtherNames = 
| Section1 = {{Chembox Identifiers
| CASNo = 7631-95-0
| CASNo_Ref = {{cascite}}
| CASOther = <br/>10102-40-6 (二水)
| PubChem = 4384450
| EINECS = 231-551-7
| RTECS = QA5075000
  }}
| Section2 = {{Chembox Properties
| Formula = Na<sub>2</sub>MoO<sub>4</sub>
| MolarMass = 205.92 (无水) g·mol<sup>−1</sup><br/>241.95 (二水)
| Appearance = 白色粉末
| Density = 3.78 g/cm<sup>3</sup>, solid
| Solubility = 84 g/100 ml (100 °C)
| MeltingPt = 687 °C
| BoilingPt =
| RefractIndex = 1.714
  }}
| Section7 = {{Chembox Hazards
| ExternalMSDS = [http://ptcl.chem.ox.ac.uk/MSDS/SO/sodium_molybdate.html External MSDS]
| EUIndex = 未列明
| EUClass =
| RPhrases =
| SPhrases =
| MainHazards =
| NFPA-H = 2
| NFPA-F = 0
| NFPA-R = 0
| NFPA-O =
| FlashPt = 不可燃
  }}
| Section8 = {{Chembox Other
| OtherAnions = [[铬酸钠]]<br/>[[钨酸钠]]
| OtherCations = [[钼酸铵]]
  }}
}}
'''钼酸钠'''是钠的[[钼酸盐]]，化学式Na<sub>2</sub>MoO<sub>4</sub>，为[[白色]]菱形结晶体。

== 制备 ==

通过[[钼精矿]]氧化焙烧生成[[三氧化钼]]，用[[液碱]]浸取生成'''钼酸钠'''溶液，后经抽滤、浓缩、冷却、离心、干燥后可制得<ref>Spitsyn, Vikt. I.; Kuleshov, I. M. ''Zhurnal Obshchei Khimii''  1951.  21.  1701-15.</ref>。

: <math>\rm \ 2MoS_2+7O_2\rightarrow 2MoO_3+4SO_2\uparrow </math>
: <math>\rm \ MoO_3+2NaOH+H_2O\rightarrow Na_2MoO_4\cdot 2H_2O</math>

== 物理性质 ==
钼酸钠可溶于水，不溶于[[丙酮]]。
== 化学性质 ==
钼酸钠和酸作用，产生[[钼酸]]沉淀：<ref>《无机化学反应方程式手册》.曹忠良 王珍云 编.湖南科学技术出版社.第十一章 铬分族.P<sub>295</sub>.【Na<sub>2</sub>MoO<sub>4</sub>】</ref>
: Na<sub>2</sub>MoO<sub>4</sub> + 2 HCl → H<sub>2</sub>MoO<sub>4</sub>↓ + 2 NaCl
== 用途 ==
== 参考资料 ==
{{reflist}}
{{钠化合物}}
{{钼酸盐}}

[[Category:钠化合物]]
[[Category:钼酸盐]]