Sodium molybdate

Sodium molybdate
Names
	IUPAC name Sodium molybdate
	Other names Disodium molybdate
Identifiers
CAS Number	7631-95-0 ; 10102-40-6 (dihydrate) ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:75215 ;
ChemSpider	55350 ;
ECHA InfoCard	100.028.683
EC Number	231-551-7;
PubChem CID	61424;
RTECS number	QA5075000;
UNII	948QAQ08I1 ; 8F2SXI1704 (dihydrate) ;
CompTox Dashboard (EPA)	DTXSID2052788 ;
	InChI InChI=1S/Mo.2Na.4O/q;2+1;;;2-1;
	SMILES [O-] [Mo](=O)(=O)[O-].[Na+].[Na+];
Properties
Chemical formula	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)
Solubility in water	84 g/100 ml (100 °C)
Refractive index (nD)	1.714
Hazards
NFPA 704 (fire diamond)	2 0 0
Flash point	Non-flammable
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	4000 mg/kg (rat, oral)
LC50 (median concentration)	>2080 mg/m3 (rat, 4 hr)
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). verify (what is ?) Infobox references

Sodium molybdate, Na₂MoO₄, is useful as a source of molybdenum. This white, crystalline salt is often encountered as the dihydrate, Na₂MoO₄·2H₂O.

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