Ammonium metavanadate

Ammonium vanadate
Names
	IUPAC name Ammonium trioxovanadate(V)
	Other names Ammonium vanadate
Identifiers
CAS Number	7803-55-6 ;
3D model (JSmol)	Interactive image;
ChemSpider	19968892 ;
ECHA InfoCard	100.029.329
PubChem CID	516859;
RTECS number	YWD875000;
UNII	FL85PX638G ;
UN number	2859
CompTox Dashboard (EPA)	DTXSID1052533 ;
	InChI InChI=1S/H3N.3O.V/h1H3;;;;/q;;;;-1/p+1 Key: UXJVWJGDHIZPLD-UHFFFAOYSA-O ; InChI=1/H3N.3O.V/h1H3;;;;/q;;;;- 1/p+1/rH3N.O3V/c;1-4(2)3/h1H3;/q;-1/p+1 Key: UXJVWJGDHIZPLD-KKTKNITLAZ;
	SMILES [NH4+].O=[V-](=O)=O;
Properties
Chemical formula	NH4VO3
Molar mass	116.98 g/mol
Appearance	white
Density	2.326 g/cm3
Melting point	>200 °C (392 °F; 473 K) (decomposes)
Solubility in water	4.8 g/100 ml (20 °C)
Solubility	soluble in diethanolamine, ethanolamine
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	possible mutagen, dangerous for the environment
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H301, H332, H340, H361, H370, H372, H412
Precautionary statements	P201, P202, P260, P261, P264, P270, P271, P273, P281, P301+P310, P304+P312, P304+P340, P307+P311, P308+P313, P312, P314, P321, P330, P405, P501
NFPA 704 (fire diamond)	4 0 0
Flash point	Non-flammable
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	58.1 mg/kg, oral (rat)
Related compounds
Other anions	Ammonium orthovanadate; Ammonium hexavanadate
Other cations	Sodium metavanadate; Potassium metavanadate
Related compounds	Vanadium pentoxide
	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

Ammonium metavanadate is the inorganic compound with the formula NH₄VO₃. It is a white salt, although samples are often yellow owing to impurities of V₂O₅. It is an important intermediate in the purification of vanadium.

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