Aluminium isopropoxide

Aluminium isopropoxide is the chemical compound usually described with the formula Al(O-i-Pr)3, where i-Pr is the isopropyl group (–CH(CH3)2). This colourless solid is a useful reagent in organic synthesis.

Aluminium isopropoxide
Names
IUPAC name
Aluminium Isopropoxide
Other names
Triisopropoxyaluminium
Aluminium isopropanolate
Aluminium sec-propanolate
Aluminium triisopropoxide
2-Propanol aluminium salt
AIP
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.008.265
EC Number
  • 209-090-8
RTECS number
  • BD0975000
UNII
  • InChI=1S/3C3H7O.Al/c3*1-3(2)4;/h3*3H,1-2H3;/q3*-1;+3 Y
    Key: SMZOGRDCAXLAAR-UHFFFAOYSA-N Y
  • InChI=1/3C3H7O.Al/c3*1-3(2)4;/h3*3H,1-2H3;/q3*-1;+3
    Key: SMZOGRDCAXLAAR-UHFFFAOYAV
  • CC(C)[O-].CC(C)[O-].CC(C)[O-].[Al+3]
Properties
C9H21AlO3
Molar mass 204.246 g·mol−1
Appearance white solid
Density 1.035 g cm−3, solid
Melting point Sensitive to purity:
138–142 °C (99.99+%)
118 °C (98+%)
Boiling point @10 Torr 135 °C (408 K)
Decomposes
Solubility in isopropanol Poor
Structure
monoclinic
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 Flammable (F)
GHS labelling:
Warning
H228
P210, P240, P241, P280
NFPA 704 (fire diamond)
2
1
2
Flash point 16 °C (61 °F; 289 K)
Related compounds
Other cations
 Titanium isopropoxide
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
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