Structure via PubChem · Public domain (PubChem)
dimethylamine
Sign in to saveAlso known as Me2NH, HNMe2, N,N-dimethylamine, DMA, dimethylamine anhydrous, N-methylmethanamine, dimethylazane, methylmethanamine
Dimethylamine is an organic compound with the formula (CH3)2NH. This secondary amine is a colorless, flammable gas with an ammonia-like odor. Dimethylamine is commonly encountered commercially as a solution in water at concentrations up to around 40%. An estimated 271,000 tons were produced in 2005.
Chemical data
- Formula
- C2H7N
- Molecular weight
- 45.08 g/mol
- IUPAC name
- N-methylmethanamine
- SMILES
- CNC
- InChIKey
- ROSDSFDQCJNGOL-UHFFFAOYSA-N
- XLogP
- -0.2
- Polar surface area
- 12 Ų
- H-bond donors
- 1
- H-bond acceptors
- 1
- Formal charge
- 0
via PubChem
Wikidata facts
- Mass
- 45.058
Show 18 more facts
- Commons category
- Dimethylamine
- electric dipole moment
- 1.01
- canonical SMILES
- CNC
- pKa
- 10.64
- chemical formula
- C₂H₇N
- flash point
- 20
- NIOSH Pocket Guide ID
- 0219
- density
- 0.67
- immediately dangerous to life or health
- 925
- melting point
- -92.2
- boiling point
- 6.88
- vapor pressure
- 1.7
- solubility
- 24
- lower flammable limit
- 2.8
- upper flammable limit
- 14.4
- ionization energy
- 8.23
- time-weighted average exposure limit
- 18
- MCN code
- 2921.11.21
via Wikidata · CC0
~3 min read
Article
8 sectionsContents
- Structure and synthesis
- Natural occurrence
- Uses
- Reactions
- Safety
- See also
- References
- External links
Dimethylamine is an organic compound with the formula (CH3)2NH. This secondary amine is a colorless, flammable gas with an ammonia-like odor. Dimethylamine is commonly encountered commercially as a solution in water at concentrations up to around 40%. An estimated 271,000 tons were produced in 2005.
==Structure and synthesis== The molecule consists of a nitrogen atom with two methyl substituents and one hydrogen. Dimethylamine is a weak base and the pKa of the ammonium CH3--CH3 is 10.73, a value above methylamine (10.64) and trimethylamine (9.79).