Tricalcium aluminate

Tricalcium aluminate
Names
	Other names aluminate, C3A
Identifiers
CAS Number	12042-78-3 ; 161063-05-4 ;
3D model (JSmol)	Interactive image;
ECHA InfoCard	100.031.744
EC Number	234-932-6;
PubChem CID	92043201;
CompTox Dashboard (EPA)	DTXSID6051223 ;
	InChI InChI=1S/2Al.3Ca.6O/q2+3;3+2;6*-2 Key: HOOWDPSAHIOHCC-UHFFFAOYSA-N;
	SMILES [O-][Al-]0([O-])O[Al-]([O-])([O-])O[Al-]([O-])([O-])O[Al-]([O-])([O-])O[Al-]([O-])([O-])O[Al-]([O-])([O-])O0.[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2];
Properties
Chemical formula	Ca3Al2O6, or 3CaO·Al2O3
Molar mass	270.193 g/mol
Density	3.064 g/cm3
Melting point	1,542 °C (2,808 °F; 1,815 K) (decomposes)
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H319
Precautionary statements	P264, P280, P305+P351+P338, P313
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Tricalcium aluminate Ca₃Al₂O₆, often formulated as 3CaO·Al₂O₃ to highlight the proportions of the oxides from which it is made, is the most basic of the calcium aluminates. It does not occur in nature, but is an important mineral phase in Portland cement.

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