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.

Legal Information

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

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Danger
• Hazard Statements: H260,H302,H315,H319,H335
• Precautionary Statements: 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
• Supplementary Hazards: EUH014
• Storage Class Code: 4.3 - Hazardous materials which set free flammable gases upon contact with water
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves