Potassium niobate

Potassium niobate
Names
	IUPAC name Potassium niobate
	Other names niobate, niobium potassium oxide, potassium columbate
Identifiers
CAS Number	12030-85-2;
3D model (JSmol)	Interactive image;
ChemSpider	10605809;
ECHA InfoCard	100.031.573
PubChem CID	16217044;
CompTox Dashboard (EPA)	DTXSID90923315 ;
	InChI InChI=1S/K.Nb.3O/q+1;;;;-1 Key: UKDIAJWKFXFVFG-UHFFFAOYSA-N;
	SMILES [O-][Nb](=O)=O.[K+];
Properties
Chemical formula	KNbO3
Molar mass	180.003 g·mol−1
Appearance	White rhombohedral crystals
Density	4.640 g/cm3
Melting point	≈ 1100 °C
Hazards
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	3000 mg/kg (oral, rat)
Related compounds
Other anions	Potassium chlorate; Potassium bromate
Other cations	Lithium niobate; Strontium barium niobate
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Potassium niobate (KNbO₃) is an inorganic compound with the formula KNbO₃. A colorless solid, it is classified as a perovskite ferroelectric material. It exhibits nonlinear optical properties, and is a component of some lasers. Nanowires of potassium niobate have been used to produce tunable coherent light.

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