Potassium aluminate

Potassium aluminate[1]
Names
	IUPAC name potassium aluminate
Identifiers
CAS Number	12003-63-3 ;
3D model (JSmol)	Interactive image;
ChemSpider	8394879;
ECHA InfoCard	100.031.289
EC Number	234-432-8;
PubChem CID	23670858;
UNII	TGN4M9CD7R ;
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	196.157 g/mol
Solubility in water	very soluble
Hazards
GHS pictograms
GHS Signal word	Danger
GHS hazard statements	H314
GHS precautionary statements	P260, P264, P280, P301+330+331, P303+361+353, P304+340, P305+351+338, 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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	Infobox references

Potassium aluminate is an inorganic compound with the formula KAlO₂, which in aqueous solution exists as K[Al(OH)₄]. It is used as a dyeing and printing mordant, as a paper sizing, as an accelerant in the setting of concrete.

Reactions

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

K Al O₂ + 2 H₂S O₄ ⇌ K Al(SO₄)₂ + 2 H₂O

References

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

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[hand-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.