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Merck

256811

Diisobutylaluminum hydride

reagent grade

Synonym(s):

DIBAL, DIBAL-H

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About This Item

Linear Formula:
[(CH3)2CHCH2]2AlH
CAS Number:
Molecular Weight:
142.22
UNSPSC Code:
12352001
NACRES:
NA.22
PubChem Substance ID:
EC Number:
214-729-9
Beilstein/REAXYS Number:
4123663
MDL number:
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grade

reagent grade

Quality Segment

reaction suitability

reagent type: reductant

bp

116-118 °C/1 mmHg (lit.)

density

0.798 g/mL at 25 °C (lit.)

SMILES string

[H][Al](CC(C)C)CC(C)C

InChI

1S/2C4H9.Al.H/c2*1-4(2)3;;/h2*4H,1H2,2-3H3;;

InChI key

AZWXAPCAJCYGIA-UHFFFAOYSA-N

General description

Diisobutylaluminum hydride is commonly used as a reducing agent in organic synthesis.

Application

Diisobutylaluminum hydride can be used in the following protocols:
  • As a promotor of Tishchenko reaction of aldehydes.
  • Conversion of benzylidene acetals of 1,2-and 1,3-glycols to the corresponding monobenzyl ethers of the glycols.
  • To generate a novel chiral reducing agent based on (S)-proline for the asymmetric reduction of prochiral ketones.

Packaging

Supplied in a Sure/Pac cylinder and has a 1/4-turn bronze ball valve with a female 1/4" NPT outlet thread (Z122661) installed. Before using the cylinder, ensure that the valve is closed, then remove carbon steel plug that seals the outlet valve.

Compatible with the following:
For instructions please refer to technical bulletin AL-136: The Aldrich Sure/Pac Cylinder System

Legal Information

Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
Sure/Pac is a trademark of Sigma-Aldrich Co. LLC


pictograms

FlameCorrosion

signalword

Danger

Hazard Classifications

Eye Dam. 1 - Pyr. Liq. 1 - Skin Corr. 1B - Water-react. 1

supp_hazards

Storage Class

4.2 - Pyrophoric and self-heating hazardous materials

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter



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