Tricalcium aluminate

Tricalcium aluminate
Names
Other names
aluminate, C3A
Identifiers
3D model (JSmol)
ECHA InfoCard 100.031.744 Edit this at Wikidata
EC Number
  • 234-932-6
  • InChI=1S/2Al.3Ca.6O/q2*+3;3*+2;6*-2
    Key: HOOWDPSAHIOHCC-UHFFFAOYSA-N
  • [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
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:
GHS07: Exclamation mark
Warning
H319
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).
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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.[1]

  1. ^ Cite error: The named reference KO was invoked but never defined (see the help page).