100-61-8
Product Name:
N-Methylaniline
Formula:
C7H9N
Synonyms:
Monomethylaniline;N-Methylaniline
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | N-methylaniline appears as a colorless to brown viscous liquid. Insoluble in water and denser than water. Contact may irritate skin, eyes and mucous membranes. May be toxic by ingestion. Used to make other chemicals. |
|---|---|
| Color/Form | COLORLESS OR SLIGHTLY YELLOW LIQ |
| Odor | Weak, ammonia-like odor. |
| Boiling Point | 385.3 °F at 760 mmHg (NTP, 1992) |
| Melting Point | -71 °F (NTP, 1992) |
| Flash Point | 175 °F (NTP, 1992) |
| Solubility | 1 to 5 mg/mL at 70.7 °F (NTP, 1992) |
| Density | 0.989 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Vapor Density | 3.9 (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 1 mmHg at 106 °F (NTP, 1992) |
| LogP | Log kow = 1.66 |
| Stability/Shelf Life | ... TURNS REDDISH BROWN ON STANDING. |
| Decomposition | WHEN HEATED TO DECOMP, IT EMITS HIGHLY TOXIC FUMES OF /NITROGEN OXIDES/. |
| Viscosity | 2.568 cP @ 15 °C; 1.766 cP @ 30 °C |
| Heat of Combustion | -973.5 kcal/mol @ 25 °C /Liquid/ |
| Heat of Vaporization | 12.7 kcal/mol @ 25 °C |
| Surface Tension | 39.97 dynes/cm @ 15 °C; 39.54 dynes/cm @ 30 °C |
| Ionization Potential | 7.32 eV |
| Odor Threshold | Odor Threshold Low: 1.6 [mmHg] Odor Threshold High: 2.0 [mmHg] Odor threshold from AIHA |
| Refractive Index | Index of refraction: 1.57367 @ 15 °C/D; 1.5684 @ 25 °C/D |
| Dissociation Constants | pKa = 4.848 @ 25 °C |
| Kovats Retention Index | 1035 1056 1056 1040.4 1052.2 1041 1046.3 1041 1031 |
| Other Experimental Properties | Standard Heat of fusion @ 25 °C: 7.7 kcal/mol /liquid/; 20.4 kcal/mol /gas/ |
| Chemical Classes | Nitrogen Compounds -> Amines, Aromatic |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
![]() Skull and Crossbones Acute Toxicity GHS06 ![]() Health Hazard GHS08 ![]() Environment GHS09 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation H373:Specific target organ toxicity, repeated exposure H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P314:Get medical advice/attention if you feel unwell. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. |
COMPUTED DESCRIPTORS
| Molecular Weight | 107.15 g/mol |
|---|---|
| XLogP3 | 1.7 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 1 |
| Exact Mass | 107.073499291 g/mol |
| Monoisotopic Mass | 107.073499291 g/mol |
| Topological Polar Surface Area | 12 Ų |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| Complexity | 55.4 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
N-methylaniline appears as a colorless to brown viscous liquid. Insoluble in water and denser than water. Contact may irritate skin, eyes and mucous membranes. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides.



