Names
Preferred IUPAC name: ,-Dimethylacetamide
Identifiers
CAS Number: 127-19-5
JSmol: Interactive image
Abbreviations: DMA, DMAC, DMAc
Beilstein Reference: 1737614
ChEBI: CHEBI:84254
ChEMBL: ChEMBL11873
ChemSpider: 29107
ECHA InfoCard: 100.004.389
EC Number: 204-826-4
MeSH: dimethylacetamide
PubChem: 31374
RTECS number: AB7700000
UNII: JCV5VDB3HY
Properties
Chemical formula: C4H9NO
Molar mass: 87.12 g·mol
Appearance: Colorless liquid
Odor: Ammoniacal
Density: 0.937 g mL
Melting point: −20 °C (−4 °F; 253 K)
Boiling point: 165.1 °C; 329.1 °F; 438.2 K
Solubility in water: Miscible
log : −0.253
Vapor pressure: 300 Pa
UV-vis: 270 nm
Absorbance: 1.00
Refractive index: 1.4375
Viscosity: 0.945 mPa s
Thermochemistry
Specific
heat capacity: 178.2 J K mol−1−1
Std enthalpy of
formation: −300.1 kJ mol
Std enthalpy of
combustion: −2.5835–−2.5805 MJ mol
Hazards
GHS pictograms:
GHS signal word: DANGER
GHS hazard statements: H312 H319 H332 H360
GHS precautionary statements: P280 P308+313
NFPA 704:
Flash point: 63 °C (145 °F; 336 K)
Autoignition
temperature: 490 °C (914 °F; 763 K)
Explosive limits: 1.8–11.5%
LD
median dose: 2.24 g kg
4.3 g kg
4.8 g/kg (oral, rat)
4.62 g/kg (oral, mouse)−1(dermal, rabbit)−1(oral, rat)
median concentration: 2475 ppm (rat, 1 hr)
NIOSH
PEL: TWA 10 ppm (35 mg/m) [skin]3
REL: TWA 10 ppm (35 mg/m) [skin]3
IDLH: 300 ppm
Related compounds
Related compounds:
Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).
Infobox references
