Dimethylamine

Dimethylamine

Skeletal formula of dimethylamine Ball and stick model of dimethylamine
Names
Preferred IUPAC name N-Methylmethanamine
Other names (Dimethyl)amine
Identifiers
CAS Number	124-40-3 Y
3D model (JSmol)	Interactive image
Abbreviations	DMA Me2NH
Beilstein Reference	605257
ChEBI	CHEBI:17170 Y
ChEMBL	ChEMBL120433 Y
ChemSpider	654 Y
ECHA InfoCard	100.004.272
EC Number	204-697-4
Gmelin Reference	849
KEGG	C00543 Y
MeSH	dimethylamine
PubChem CID	674
RTECS number	IP8750000
UNII	ARQ8157E0Q Y
UN number	1032
CompTox Dashboard (EPA)	DTXSID5024057
InChI InChI=1S/C2H7N/c1-3-2/h3H,1-2H3 Y Key: ROSDSFDQCJNGOL-UHFFFAOYSA-N Y
SMILES CNC
Properties
Chemical formula	C2H7N
Molar mass	45.085 g·mol−1
Appearance	Colorless gas
Odor	Fishy, ammoniacal
Density	649.6 kg m−3 (at 25 °C)
Melting point	−93.00 °C; −135.40 °F; 180.15 K
Boiling point	7 to 9 °C; 44 to 48 °F; 280 to 282 K
Solubility in water	1.540 kg L−1
log P	−0.362
Vapor pressure	170.3 kPa (at 20 °C)
Henry's law constant (kH)	310 μmol Pa−1 kg−1
Basicity (pKb)	3.29
Thermochemistry
Std enthalpy of formation (ΔfH⦵298)	−21 to −17 kJ mol−1
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H220, H302, H315, H318, H332, H335
Precautionary statements	P210, P261, P280, P305+P351+P338
NFPA 704 (fire diamond)	2 4 0
Flash point	−6 °C (21 °F; 267 K) (liquid)
Autoignition temperature	401 °C (754 °F; 674 K)
Explosive limits	2.8–14.4%
Lethal dose or concentration (LD, LC):
LD50 (median dose)	698 mg/kg (rat, oral) 316 mg/kg (mouse, oral) 240 mg/kg (rabbit, oral) 240 mg/kg (guinea pig, oral)
LC50 (median concentration)	4700 ppm (rat, 4 hr) 4540 ppm (rat, 6 hr) 7650 ppm (mouse, 2 hr)
NIOSH (US health exposure limits):
PEL (Permissible)	TWA 10 ppm (18 mg/m3)
REL (Recommended)	TWA 10 ppm (18 mg/m3)
IDLH (Immediate danger)	500 ppm
Related compounds
Related amines	Trimethylamine Diethylamine Triethylamine Diisopropylamine Dimethylaminopropylamine Triisopropylamine
Related compounds	Unsymmetrical dimethylhydrazine
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is YN ?) Infobox references

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.