Potassium tantalate

Crystal structure
__ K +      __ Ta 5+      __ O 2−
Crystal system	cubic
Space group	Pm 3 m (No. 221)
General
Surname	Potassium tantalate
other names	Potassium tantalum trioxide
Ratio formula	KTaO 3
Brief description	white odorless solid
External identifiers / databases
CAS number 12030-91-0 ECHA InfoCard 100,031,575 PubChem 165993 ChemSpider 2763146 Wikidata Q16704573
properties
Molar mass	268.04 g mol −1
Physical state	firmly
Melting point	1120 ° C
solubility	practically insoluble in water
safety instructions
GHS labeling of hazardous substances no GHS pictograms H and P phrases H: no H-phrases P: no P-phrases
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Potassium tantalate is an inorganic chemical compound of potassium from the group of tantalates .

Extraction and presentation

Potassium tantalate can be obtained by reacting tantalum (V) oxide with potassium carbonate .

properties

Potassium tantalate is a white, odorless solid that is practically insoluble in water. It has a cubic perovskite - crystal structure with space group Pm 3 m (space group # 221.) .

use

Potassium tantalate is used in research.

Individual evidence

1. ↑ ^{a b c d e} LTSChem: Safety data sheet KTaO3 , accessed on December 27, 2019.
2. ↑ ^{a b c d} Moriaki Wakaki, Takehisa Shibuya, Keiei Kudo: Physical Properties and Data of Optical Materials . CRC Press, 2007, ISBN 978-1-4200-1550-8 , pp. 352 ( limited preview in Google Book search).
3. ↑ Spartak Gevorgian: Ferroelectrics in Microwave Devices, Circuits and Systems Physics, Modeling, Fabrication and Measurements . Springer Science & Business Media, 2009, ISBN 978-1-84882-507-9 , pp. 65 ( limited preview in Google Book search).