Potassium aluminate is an inorganic compound with the formula KAlO2, which in aqueous solution exists as K[Al(OH)4].

Potassium aluminate[1]
Names
IUPAC name
potassium aluminate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.031.289 Edit this at Wikidata
EC Number
  • 234-432-8
UNII
  • InChI=1S/Al.K.2O/q;+1;;-1
    Key: KVOIJEARBNBHHP-UHFFFAOYSA-N
  • [O-][Al]=O.[K+]
Properties
K2Al2O4
Molar mass 196.156 g·mol−1
very soluble
Hazards
GHS labelling:
GHS05: Corrosive
Danger
H314
P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Reactions

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Potassium aluminate can be used to produce potassium alum with sulfuric acid in this reaction.

KAlO2 + 2 H2SO4 ⇌ KAl(SO4)2 + 2 H2O

References

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  1. ^ Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, Florida: CRC Press. pp. 4–76. ISBN 0-8493-0594-2.