Sodium selenate

Sodium selenate
Names
	IUPAC name Sodium selenate
Identifiers
CAS Number	10102-23-5 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:77775 ;
ChEMBL	ChEMBL114503;
ChemSpider	24185;
DrugBank	DBSALT002579;
ECHA InfoCard	100.033.169
EC Number	236-501-8;
PubChem CID	25960;
RTECS number	VS6650000;
UNII	decahydrate: 0CJN4029EB ;
UN number	2630
CompTox Dashboard (EPA)	DTXSID5032076 ;
	InChI InChI=1S/2Na.H2O4Se/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2+1;/p-2 Key: MHQOTKLEMKRJIR-UHFFFAOYSA-L; InChI=1S/2Na.H2O4Se/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2+1;/p-2;
	SMILES [O-][Se](=O)(=O)[O-].[Na+].[Na+];
Properties
Chemical formula	Na2O4Se
Molar mass	188.947 g·mol−1
Appearance	White or grey powder
Density	3.098 g/cm3
Solubility in water	soluble
Pharmacology
ATC code	A12CE01 (WHO)
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H301, H331, H373, H410
NFPA 704 (fire diamond)	4 0 0
Flash point	Non-flammable
Related compounds
Other anions	Sodium sulfate
Other cations	Potassium selenate
	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 selenate is the inorganic compound with the formula Na
₂SeO
₄, not to be confused with sodium selenite. It exists as the anhydrous salt, the heptahydrate, and the decahydrate. These are white, water-soluble solids. The decahydrate is a common ingredient in multivitamins and livestock feed as a source of selenium. The anhydrous salt is used in the production of some glass. Although the selenates are much more toxic, many physical properties of sodium selenate and sodium sulfate are similar.

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