Sodium Molybdate Dihydrate 99+% Pure

What is Sodium Molybdate?

Sodium molybdate, Na2MoO4, is a very useful source of molybdenum and can be found in both anhydrous and dihydrate (Na2MoO4 2H2O) forms.

It is a sodium salt of the molybdate ion (molybdenum in oxidation state VI). Two sodium cations bind to each tetrahedral molybdate ion.

Sodium molybdate was first synthesized by the hydration method. A more convenient synthesis is by dissolving MoO3 in aqueous sodium hydroxide solution at 50-70 °C and crystallizing the filtrate. ​ The anhydrous salt is prepared by heating to 100 °C.

What is Sodium Molybdate used for?

Sodium molybdate is used as an analytical reagent for alkaloids, for the production of pigments and in medicine as an additive in gavage or liquid nutrition and for the production of other molybdenum compounds. Large amounts are used as fertilizer in agriculture.

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Technical data:

Empirical formula Na₂MoO₄ · 2 H₂O
Molar mass (M) 241,95 g/mol
Melting point (mp)100 °C (dec.)
Solubility 650 g/l (H₂O, 25 °C)
WGK 1
CAS No.[10102-40-6]
EG-Nr. 231-551-7

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