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钼酸钠

钼酸钠
IUPAC名
Sodium molybdate
识别
CAS号 7631-95-0 ?

10102-40-6 (二水)
PubChem 4384450
EINECS 231-551-7
RTECS QA5075000
性质
化学式 Na2MoO4
摩尔质量 205.92 (无水) g·mol−1
241.95 (二水) g·mol⁻¹
外观 白色粉末
密度 3.78 g/cm3, solid
熔点 687 °C
溶解性 84 g/100 ml (100 °C)
折光度n
D
1.714
危险性
MSDS External MSDS
欧盟编号 未列明
NFPA 704
0
2
0
 
闪点 不可燃
相关物质
其他阴离子 铬酸钠
钨酸钠
其他阳离子 钼酸铵
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

钼酸钠是钠的钼酸盐,化学式Na2MoO4,为白色菱形结晶体。

制备

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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[1]

物理性质

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钼酸钠可溶于水,不溶于丙酮

化学性质

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钼酸钠和酸作用,产生钼酸沉淀:[2]

Na2MoO4 + 2 HCl → H2MoO4↓ + 2 NaCl

用途

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参考资料

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  1. ^ Spitsyn, Vikt. I.; Kuleshov, I. M. Zhurnal Obshchei Khimii 1951. 21. 1701-15.
  2. ^ 《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.P295.【Na2MoO4
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钼酸钠
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