Diisobutylaluminium hydride

Diisobutylaluminium hydride
Names
IUPAC name
Diisobutylaluminium hydride
Other names
DIBAH; DIBAL; DiBAlH; DIBAL-H; DIBALH
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.013.391 Edit this at Wikidata
EC Number
  • 214-729-9
UNII
  • InChI=1S/2C4H9.Al.H/c2*1-4(2)3;;/h2*4H,1H2,2-3H3;; checkY
    Key: AZWXAPCAJCYGIA-UHFFFAOYSA-N checkY
  • InChI=1/2C4H9.Al.H/c2*1-4(2)3;;/h2*4H,1H2,2-3H3;;/rC8H19Al/c1-7(2)5-9-6-8(3)4/h7-9H,5-6H2,1-4H3
    Key: AZWXAPCAJCYGIA-DFAADSFOAF
  • CC(C)C[AlH]CC(C)C
Properties
C8H19Al (monomer)
C16H38Al2 (dimer)
Molar mass 142.22 g/mol (monomer)
284.44 g/mol (dimer)
Appearance Colorless liquid
Density 0.798 g/cm3
Melting point −80 °C (−112 °F; 193 K)
Boiling point 116 to 118 °C (241 to 244 °F; 389 to 391 K) at 1 mmHg
Reacts with water
Solubility Soluble in hydrocarbons, THF, and ether
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
ignites in air
GHS labelling:
GHS02: FlammableGHS05: Corrosive
Danger
H220, H225, H250, H260, H314
P210, P222, P223, P231+P232, P233, P240, P241, P242, P243, P260, P264, P280, P301+P330+P331, P302+P334, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P335+P334, P363, P370+P378, P377, P381, P402+P404, P403, P403+P235, P405, P422, 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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Diisobutylaluminium hydride (DIBALH, DIBAL, DIBAL-H or DIBAH) is a reducing agent with the formula (i-Bu2AlH)2, where i-Bu represents isobutyl (-CH2CH(CH3)2). This organoaluminium compound is a reagent in organic synthesis.[1]

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