Potassium metaborate

Structural formula
General
Surname	Potassium metaborate
other names	Potassium borate
Molecular formula	KBO 2
Brief description	white solid
External identifiers / databases
EC number	237-262-2
ECHA InfoCard	100,033,860
PubChem	123325
Wikidata	Q15627939
properties
Molar mass	81.91 g mol −1
Physical state	firmly
density	2.3 g cm −3
Melting point	947 ° C
boiling point	1401 ° C
safety instructions
H and P phrases	H: 319-361d
	P: 281-305 + 351 + 338
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Potassium metaborate is an inorganic chemical compound of potassium from the group of borates .

Extraction and presentation

Potassium metaborate can be obtained by reacting potassium carbonate with boron trioxide or boron nitride .

{\ displaystyle {\ ce {K2CO3 + B2O3 -> 2 KBO2 + CO2}}}

properties

Potassium metaborate is a white solid. It has a crystal structure with the space group R 3 c (space group no. 167) . The connection exists as a trimer . Template: room group / 167

use

Potassium metaborate is used in fracking fluids .

Individual evidence

↑ ^a ^b ^c David R. Lide: CRC Handbook of Chemistry and Physics A Ready-reference Book of Chemical and Physical Data . CRC Press, 1995, ISBN 0-8493-0595-0 , pp. 77 ( limited preview in Google Book search).
↑ ^a ^b ^c data sheet Potassium metaborate, ≥31% B ₂ O ₃ basis, ≥42% K ₂ O basis from Sigma-Aldrich , accessed on February 21, 2019 ( PDF ).
^ William M. Haynes: CRC Handbook of Chemistry and Physics . CRC Press, 2016, ISBN 978-1-4987-5429-3 , pp. 104 ( limited preview in Google Book search).
↑ R. Blachnik: Pocket book for chemists and physicists Volume 3: Elements, inorganic compounds and materials, minerals . Springer-Verlag, 2013, ISBN 978-3-642-58842-6 , pp. 500 ( limited preview in Google Book Search).
^ RK Sharma: Chemistry Of Hydrides And Carbides . Discovery Publishing House, 2007, ISBN 978-81-8356-227-0 , pp. 314 ( limited preview in Google Book search).
↑ New Yearbook for Mineralogy, Geology and Paleontology: Treatises . E. Schweizerbart, 1940, OCLC 4669071 , p. 192 ( limited preview in Google Book search).
^ WH Zachariasen: The Crystal Structure of Potassium Metaborate, K3 (B3O6). In: The Journal of Chemical Physics. 5, 1937, p. 919, doi: 10.1063 / 1.1749962 .
↑ William A. Hart, OF Beumel, Thomas P. Whaley: The Chemistry of Lithium, Sodium, Potassium, Rubidium, Cesium and Francium Pergamon Texts in Inorganic Chemistry . Elsevier, 2013, ISBN 978-1-4831-8757-0 , pp. 449 ( limited preview in Google Book search).
^ Frank R. Spellman: Environmental Impacts of Hydraulic Fracturing . CRC Press, 2012, ISBN 978-1-4665-1467-6 , pp. 435 ( limited preview in Google Book search).

[David_R._Lide-1] David R. Lide: CRC Handbook of Chemistry and Physics A Ready-reference Book of Chemical and Physical Data . CRC Press, 1995, ISBN 0-8493-0595-0 , pp. 77 ( limited preview in Google Book search).

[Sigma-2] ta sheet Potassium metaborate, ≥31% B ₂ O ₃ basis, ≥42% K ₂ O basis from Sigma-Aldrich , accessed on February 21, 2019 ( PDF ).

[William_M._Haynes-3] William M. Haynes: CRC Handbook of Chemistry and Physics . CRC Press, 2016, ISBN 978-1-4987-5429-3 , pp. 104 ( limited preview in Google Book search).

[R._Blachnik-4] R. Blachnik: Pocket book for chemists and physicists Volume 3: Elements, inorganic compounds and materials, minerals . Springer-Verlag, 2013, ISBN 978-3-642-58842-6 , pp. 500 ( limited preview in Google Book Search).

[R._K._Sharma-5] RK Sharma: Chemistry Of Hydrides And Carbides . Discovery Publishing House, 2007, ISBN 978-81-8356-227-0 , pp. 314 ( limited preview in Google Book search).

[6] New Yearbook for Mineralogy, Geology and Paleontology: Treatises . E. Schweizerbart, 1940, OCLC 4669071 , p. 192 ( limited preview in Google Book search).

[DOI10.1063/1.1749962-7] WH Zachariasen: The Crystal Structure of Potassium Metaborate, K3 (B3O6). In: The Journal of Chemical Physics. 5, 1937, p. 919, doi: 10.1063 / 1.1749962 .

[William_A._Hart,_O._F._Beumel,_Thomas_P._Whaley-8] William A. Hart, OF Beumel, Thomas P. Whaley: The Chemistry of Lithium, Sodium, Potassium, Rubidium, Cesium and Francium Pergamon Texts in Inorganic Chemistry . Elsevier, 2013, ISBN 978-1-4831-8757-0 , pp. 449 ( limited preview in Google Book search).

[Frank_R._Spellman-9] Frank R. Spellman: Environmental Impacts of Hydraulic Fracturing . CRC Press, 2012, ISBN 978-1-4665-1467-6 , pp. 435 ( limited preview in Google Book search).