682101

Bis(trimethylaluminum)-1,4-diazabicyclo[2.2.2]octane adduct

• Synonym(s): Bis(trimethylaluminum)-DABCO^® adduct, DABAL-Me3, DABAL-trimethylaluminum, Triethylenediaminine bis(trimethylaluminum)
• Linear Formula: (CH₃)₃Al · C₆H₁₂N₂ · Al(CH₃)₃
• CAS Number: 137203-34-0
• Molecular Weight: 256.34
• MDL number: MFCD09265160
• UNSPSC Code: 12352103
• PubChem Substance ID: 24885678
• NACRES: NA.22

Properties

• mp: >250 °C
• SMILES string: C[Al-](C)(C)[N+]12CC[N+](CC1)(CC2)[Al-](C)(C)C
• InChI: 1S/C6H12N2.6CH3.2Al/c1-2-8-5-3-7(1)4-6-8;;;;;;;;/h1-6H2;6*1H3;;
• InChI key: WSTAITCRSVOCTK-UHFFFAOYSA-N

Description

General description

Product is air and moisture sensitive. Handle and store under a dry, inert atmosphere.

Application

DABAL-Me3: An Air Stable "Methyl Anion"

A more stable alternative to trimethylaluminum for use in numerous reactions including methylations of aldehydes and imines, methylations of aryl and vinyl halides, conjugate addition to enones, and amide bond formation.[1]

Legal Information

DABCO is a registered trademark of Air Products & Chemicals, Inc.

Safety Information

• pictograms: GHS02,GHS07
• signalword: Danger
• hcodes: H260,H302,H315,H319,H335
• pcodes: P231 + P232 - P301 + P312 + P330 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3 - Water-react 1
• target_organs: Respiratory system
• supp_hazards: EUH014
• Storage Class: 4.3 - Hazardous materials which set free flammable gases upon contact with water
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type P3 (EN 143) respirator cartridges