Sodium molybdate

Sodium molybdate
Sodium molybdate
Names
IUPAC name
Sodium molybdate
Other names
Disodium molybdate
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.028.683 Edit this at Wikidata
EC Number
  • 231-551-7
RTECS number
  • QA5075000
UNII
  • InChI=1S/Mo.2Na.4O/q;2*+1;;;2*-1
  • [O-] [Mo](=O)(=O)[O-].[Na+].[Na+]
Properties
Na2MoO4
Molar mass 205.92 g/mol (anhydrous)
241.95 g/mol (dihydrate)
Appearance White powder
Density 3.78 g/cm3, solid
Melting point 687 °C (1,269 °F; 960 K)
84 g/100 ml (100 °C)
1.714
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
2
0
0
Flash point Non-flammable
Lethal dose or concentration (LD, LC):
4000 mg/kg (rat, oral)[1]
>2080 mg/m3 (rat, 4 hr)[1]
Safety data sheet (SDS) External MSDS
Related compounds
Other anions
 Sodium chromate
Sodium tungstate
Other cations
 Ammonium molybdate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Sodium molybdate, Na2MoO4, is useful as a source of molybdenum.[2] This white, crystalline salt is often encountered as the dihydrate, Na2MoO4·2H2O.

  1. ^ a b "Molybdenum (soluble compounds, as Mo)". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).
  2. ^ Greenwood, Norman N.; Earnshaw, Alan (1984). Chemistry of the Elements. Oxford: Pergamon Press. ISBN 978-0-08-022057-4.