Dimethylaniline
Chemical compound / From Wikipedia, the free encyclopedia
This article is about N,N-dimethylaniline. For other constitutional isomers, see xylidine.
N,N-Dimethylaniline (DMA) is an organic chemical compound, a substituted derivative of aniline. It is a tertiary amine, featuring a dimethylamino group attached to a phenyl group. This oily liquid is colourless when pure, but commercial samples are often yellow. It is an important precursor to dyes such as crystal violet.
Quick Facts Names, Identifiers ...
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Names | |||
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Preferred IUPAC name
N,N-Dimethylaniline | |||
Other names
DMA Dimethylaminobenzene N,N-Dimethylbenzeneamine N,N-Dimethylphenylamine | |||
Identifiers | |||
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3D model (JSmol) |
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ChEBI | |||
ChEMBL | |||
ChemSpider |
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ECHA InfoCard | 100.004.085 | ||
KEGG |
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PubChem CID |
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UNII | |||
CompTox Dashboard (EPA) |
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Properties | |||
C8H11N | |||
Molar mass | 121.183 g·mol−1 | ||
Appearance | Colorless liquid | ||
Odor | amine-like | ||
Density | 0.956 g/mL | ||
Melting point | 2 °C (36 °F; 275 K) | ||
Boiling point | 194 °C (381 °F; 467 K) | ||
2% (20°C)[1] | |||
Vapor pressure | 1 mmHg (20°C)[1] | ||
-89.66·10−6 cm3/mol | |||
Hazards | |||
Flash point | 63 °C (145 °F; 336 K) | ||
Lethal dose or concentration (LD, LC): | |||
LD50 (median dose) |
1410 mg/kg (rat, oral)[2] | ||
LCLo (lowest published) |
50 ppm (rat, 4 hr)[2] | ||
NIOSH (US health exposure limits): | |||
PEL (Permissible) |
TWA 5 ppm (25 mg/m3) [skin][1] | ||
REL (Recommended) |
TWA 5 ppm (25 mg/m3) ST 10 ppm (50 mg/m3) [skin][1] | ||
IDLH (Immediate danger) |
100 ppm[1] | ||
Safety data sheet (SDS) | External MSDS | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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