Potassium aluminate

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

Potassium aluminate^[1]

Names
IUPAC name potassium aluminate
Identifiers
CAS Number	12003-63-3 Y
3D model (JSmol)	Interactive image
ChemSpider	8394879
ECHA InfoCard	100.031.289
EC Number	234-432-8
PubChem CID	23670858
UNII	TGN4M9CD7R Y
CompTox Dashboard (EPA)	DTXSID0065143
InChI InChI=1S/Al.K.2O/q;+1;;-1 Key: KVOIJEARBNBHHP-UHFFFAOYSA-N
SMILES [O-][Al]=O.[K+]
Properties
Chemical formula	K2Al2O4
Molar mass	196.156 g·mol−1
Solubility in water	very soluble
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H314
Precautionary statements	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). Y verify (what is YN ?) Infobox references

Reactions

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

KAlO₂ + 2 H₂SO₄ ⇌ KAl(SO₄)₂ + 2 H₂O