N-methylaniline

CAS No. 100-61-8

Formula: C7H9N
Basic Info

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.

Formula
C7H9N
Molecular Weight
107.153
Exact Mass
107.073
LogP
1.8013
PSA
12.03
Synonyms

N-methyl-aniline

Methylaniline

N-Monomethylaniline

Benzenamine, N-methyl-

Monomethylaniline

Methylphenylamine

N-methyl-N-phenylamine

N-Methylaniline

N-methylphenylamine

N-Phenylmethylamine

N-methyl-aminobenzene

N-Methylbenzenamine

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Properties
Appearance & Physical State
pale yellow to brown liquid
Density
0.987
Boiling Point
195ºC
Melting Point
-57ºC
Flash Point
86ºC
Refractive Index
1.5694-1.5714
Water Solubility
30 g/L
Stability
Stability Combustible. Incompatible with strong oxidizing agents. Discolours upon exposure to air.
Storage Condition
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Vapor Pressure
0.325mmHg at 25°C
Safety Info
RTECS
BY4550000
Safety Statements
S28-S36/37-S45-S60-S61
WGK Germany
3
Risk Statements
R23/24/25; R33; R50/53
HS Code
2921420090
RIDADR
UN 2294
Hazard Class
6.1
Packing Group
III
Hazard Codes
Spectrum
NMR Spectrum 1H NMR : 400 MHz in CDCl3
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IR Spectrum IR : CCl4 solution
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Mass Spectrum Mass
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Raman Spectrum Raman : 4880 A,200 M,liquid
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ESR Spectrum ESR : OXIDATION WITH PBA IN ETHANOL
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Toxicity
ACUTE TOXICITY DATA
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Type of Test
LDLo - Lowest published lethal dose
Exposure Route
Intravenous
Species Observed
Mammal - cat
Dose/Duration
24 mg/kg
Toxic Effects
Behavioral--somnolence (general depressed activity)<br>Lungs, Thorax, or Respiration--dyspnea<br>Lungs, Thorax, or Respiration--cyanosis
Reference
Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 31,1,1949
ACUTE TOXICITY DATA
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Type of Test
LDLo - Lowest published lethal dose
Exposure Route
Oral
Species Observed
Rodent - rabbit
Dose/Duration
280 mg/kg
Toxic Effects
Behavioral--somnolence (general depressed activity)<br>Lungs, Thorax, or Respiration--dyspnea<br>Lungs, Thorax, or Respiration--cyanosis
Reference
Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 31,1,1949
ACUTE TOXICITY DATA
expand collapse
Type of Test
LDLo - Lowest published lethal dose
Exposure Route
Intravenous
Species Observed
Rodent - rabbit
Dose/Duration
24 mg/kg
Toxic Effects
Behavioral--somnolence (general depressed activity)<br>Lungs, Thorax, or Respiration--dyspnea<br>Lungs, Thorax, or Respiration--cyanosis
Reference
Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 31,1,1949

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