Dimethylamine

A secondary amine with two methyl groups and one N–H bond.

Formula
C2H7N
Functional group
Amines
Molar mass
45.08 g/mol
Also known as
N-methylmethanamine, N,N-Dimethylamine, Methanamine, N-methyl-, Dimethylamine (anhydrous), RCRA waste number U092

Overview

A secondary amine with two methyl groups and one N–H bond.

Its nitrogen can accept a proton or act as a nucleophile. Acylation can give an N,N-dimethylamide because an N–H bond remains available in the starting amine. The corresponding amide has different basicity and reactivity.

Identifiers

Formula
C2H7N
Functional group
Amines
Molar mass
45.08 g/mol
Also known as
N-methylmethanamine, N,N-Dimethylamine, Methanamine, N-methyl-, Dimethylamine (anhydrous), RCRA waste number U092
Chemical identifiers
SMILES
CNC
InChI
InChI=1S/C2H7N/c1-3-2/h3H,1-2H3
PubChem CID
674

Properties

Melting Point
-93 °C
Boiling Point
7.3 °C
Density
0.6804 g/cu cm at 0 °C
Water solubility
In water, 163 g/100g water at 40 °C

Related compounds

References

  1. PubChem Compound Summary: Dimethylamine (CID 674)National Center for Biotechnology Information · PubChem

    Identity, molecular formula, molecular weight and aliases retrieved via PUG REST on 2026-09-08.

  2. OpenStax Organic Chemistry: Structure and properties of aminesJohn McMurry · OpenStax · 2023

    Supports the qualitative structure and reactivity context; identity and numerical measurements retain their original references.

  3. OpenStax Organic Chemistry: Reactions of aminesJohn McMurry · OpenStax · 2023

    Supports the qualitative structure and reactivity context; identity and numerical measurements retain their original references.

  4. Hazardous Substances Data Bank (HSDB): Dimethylamine — melting pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/674#section=Melting-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Haynes, W.M. (ed.). CRC Handbook of Chemistry and Physics. 95th Edition. CRC Press LLC, Boca Raton: FL 2014-2015, p. 3-200

  5. Hazardous Substances Data Bank (HSDB): Dimethylamine — boiling pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/674#section=Boiling-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Haynes, W.M. (ed.). CRC Handbook of Chemistry and Physics. 95th Edition. CRC Press LLC, Boca Raton: FL 2014-2015, p. 3-200

  6. Hazardous Substances Data Bank (HSDB): Dimethylamine — densityHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/674#section=Density. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Haynes, W.M. (ed.). CRC Handbook of Chemistry and Physics. 95th Edition. CRC Press LLC, Boca Raton: FL 2014-2015, p. 3-200

  7. Hazardous Substances Data Bank (HSDB): Dimethylamine — solubilityHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/674#section=Solubility. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Kirk-Othmer Encyclopedia of Chemical Technology. 4th ed. Volumes 1: New York, NY. John Wiley and Sons, 1991-Present., p. V2: 371 (1992)