Diisobutylaluminium hydride

Diisobutylaluminium hydride
Names
	IUPAC name Diisobutylaluminium hydride
	Other names DIBAH; DIBAL; DiBAlH; DIBAL-H; DIBALH
Identifiers
CAS Number	1191-15-7 ;
3D model (JSmol)	Interactive image;
ChemSpider	10430352 ;
ECHA InfoCard	100.013.391
EC Number	214-729-9;
PubChem CID	16682954 (monomer); 131737379 (dimer);
UNII	H2EJ47H11A;
CompTox Dashboard (EPA)	DTXSID4041866 ;
	InChI InChI=1S/2C4H9.Al.H/c21-4(2)3;;/h24H,1H2,2-3H3;; Key: AZWXAPCAJCYGIA-UHFFFAOYSA-N ; InChI=1/2C4H9.Al.H/c21-4(2)3;;/h24H,1H2,2-3H3;;/rC8H19Al/c1-7(2)5-9-6-8(3)4/h7-9H,5-6H2,1-4H3 Key: AZWXAPCAJCYGIA-DFAADSFOAF;
	SMILES CC(C)C[AlH]CC(C)C;
Properties
Chemical formula	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
Solubility in water	Reacts with water
Solubility	Soluble in hydrocarbons, THF, and ether
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	ignites in air
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H220, H225, H250, H260, H314
Precautionary statements	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). verify (what is ?) Infobox references

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.

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