Diisobutylaluminum hydride solution
ALDRICH/192724 - 25 wt. % in toluene
Synonym: DIBAL; DIBAL-H
CAS Number: 1191-15-7
Empirical Formula (Hill Notation): C8H19Al
Molecular Weight: 142.22
MDL Number: MFCD00008928
Linear Formula: [(CH3)2CHCH2]2AlH
Product Type: Chemical
| concentration | 25 wt. % in toluene |
| density | 0.846 g/mL at 25 °C |
| form | liquid |
| InChI | 1S/2C4H9.Al.H/c2*1-4(2)3; |
| InChI key | AZWXAPCAJCYGIA-UHFFFAOYSA |
| Quality Level | 200 ![]() |
| reaction suitability | reagent type: reductant |
| SMILES string | CC(C)C[AlH]CC(C)C |
| Application: | Diisobutylaluminum hydride solution (25 wt. % in toluene) has been used for the reduction of imides: • N • -(cis-2-Vinylcyclohexyl)succin • N-(But-4-en-1-y1)-2(E)-(carbethoxymethylidene) • N-(Hept-1-en-4-y1)-2(E)-(carbethoxymethylidene) • N-(cis-2-Vinylcyclohexyl)-2-(carbethoxymethylidene)-5-oxopyrrolidine to rel-(3aR,SS,5aS,SaR)-1( E)-(carbethoxymethylidene) |
| Application: | Used in Pd-catalyzed reductive debromination of secondary alkyl bromides. O-Debenzylation and ring opening of perbenzylated furanosides. Convenient in situ generation of HZrCp2Cl from ZrCp2Cl2 and DIBAL-H. |
| General description: | Diisobutylaluminum hydride solution is a strong reducing agent used to convert arylpropiolate esters to their propargyl alcohols. Diisobutylaluminum hydride reducing agent is commonly used for the reduction of an ester to aldehyde. |
| Legal Information: | Sure/Seal is a trademark of Sigma-Aldrich Co. LLC |
| Packaging: | 2 kg in Sure/Seal™ |
| Packaging: | 4×25, 100, 700 g in Sure/Seal™ |
| Packaging: | 7, 15 kg in Kilo-Lab™ |
| Packaging: | The 25 g Sure/Seal™ bottle is recommended as a single-use bottle. Repeated punctures will likely result in decreased performance of product. |
| Packaging: | View returnable container options . |
| Symbol | ![]() ![]() ![]() GHS02,GHS05,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H225 - H250 - H260 - H304 - H314 - H336 - H361d - H373 - H412 |
| Precautionary statements | P210 - P231 + P232 - P280 - P301 + P310 + P331 - P301 + P330 + P331 - P303 + P361 + P353 - P305 + P351 + P338 |
| Hazard Codes | F,C |
| Risk Statements | 63-11-14/15-17-34-48/20-65-67 |
| Safety Statements | 16-26-36/37/39-43-45-62 |
| RIDADR | UN 3394 4.3(4.2) / PGI |
| WGK Germany | WGK 2 |
| Flash Point(F) | 39.2 °F - closed cup |
| Flash Point(C) | 4 °C - closed cup |
| Supplemental Hazard Statements | EUH014 |
| Density | 0.846 g/mL at 25 °C |
| UNSPSC | 12352001 |





