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N-Methylaniline

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N-Methylaniline
Aniline
Names
Other names
N-Monomethylaniline
Anilinomethane
N-phenylmethylamine
Monomethylaniline
N-methylaminobenzene
Methylbenzeneamine
N-Methyl-phenylamine
(methylamino) benzene
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.002.610 Edit this at Wikidata
EC Number
  • 249-927-4
KEGG
  • InChI=1S/C7H9N/c1-8-7-5-3-2-4-6-7/h2-6,8H,1H3
    Key: AFBPFSWMIHJQDM-UHFFFAOYSA-N
  • CNC1=CC=CC=C1
Properties
C7H9N
Molar mass 107.156 g·mol−1
Appearance Yellow to light-brown liquid[1]
Odor weak, ammonia-like[1]
Density 0.99 g/mL
Melting point −57 °C (−71 °F; 216 K)
Boiling point 194 to 196 °C (381 to 385 °F; 467 to 469 K)
Insoluble
Vapor pressure 0.3 mmHg (20 °C)[1]
Hazards
Flash point 79 °C; 175 °F; 353 K [1]
Lethal dose or concentration (LD, LC):
280 mg/kg (rabbit, oral)
1200 mg/kg (guinea pig, oral)[2]
NIOSH (US health exposure limits):
PEL (Permissible)
TWA 2 ppm (9 mg/m3) [skin][1]
REL (Recommended)
TWA 0.5 ppm (2 mg/m3) [skin][1]
IDLH (Immediate danger)
100 ppm[1]
Related compounds
Aniline
Dimethylaniline
Related compounds
Toluidines
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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N-Methylaniline is an aniline derivative. It is an organic compound with the chemical formula C6H5NH(CH3). The substance exists as a colorless or slightly yellow viscous liquid and turns brown when exposed to air. The chemical is insoluble in water. It is used as a latent and coupling solvent and is also used as an intermediate for dyes, agrochemicals and other organic products manufacturing. N-Methylaniline is a principal component of MMA (monomethylaniline), an antiknock agent, used to increase the octane number, more effective than Methyl tert-butyl ether. Usually added to gasoline in concentrations around 1.3% mass.

See also

References

  1. ^ a b c d e f g NIOSH Pocket Guide to Chemical Hazards. "#0436". National Institute for Occupational Safety and Health (NIOSH).
  2. ^ "Monomethyl aniline". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).