95-53-4
Product Name:
o-Toluidine
Formula:
C7H9N
Synonyms:
2-Aminotoluene;2-Aminotoluene, 2-Methylaniline;2-Methylaniline;o-Toluidine
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | O-toluidine appears as a clear colorless or light yellow liquid. May become reddish brown on exposure to air and light. Flash point 185 °F. Has about the same density as water and is very slightly soluble in water. Vapors are heavier than air. Confirmed carcinogen. |
|---|---|
| Boiling Point | 392 to 396 °F at 760 mmHg (NTP, 1992) |
| Melting Point | 2.7 °F (NTP, 1992) |
| Flash Point | 185 °F (NTP, 1992) |
| Solubility | 5 to 10 mg/mL at 59 °F (NTP, 1992) |
| Density | 0.998 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Vapor Density | 3.69 (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 0.1 mmHg at 68 °F ; 0.3 mmHg at 86 °F (NTP, 1992) |
| LogP | 1.32 |
| Autoignition Temperature | 900 °F (USCG, 1999) |
| Ionization Potential | 7.44 eV |
| Ionization Efficiency | Positive |
| Odor Threshold | Odor Threshold Low: 0.02 [mmHg] Odor Threshold High: 6.6 [mmHg] Odor threshold from AIHA |
| Kovats Retention Index | 1032.7 1040.5 1068 1068 1053 1053.9 1053.9 1037 |
| 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 H350:Carcinogenicity H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P202:Do not handle until all safety precautions have been read and understood. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P273:Avoid release to the environment. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 107.15 g/mol |
|---|---|
| XLogP3 | 1.3 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 107.073499291 g/mol |
| Monoisotopic Mass | 107.073499291 g/mol |
| Topological Polar Surface Area | 26 Ų |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| Complexity | 70.8 |
| 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
O-toluidine appears as a clear colorless or light yellow liquid. May become reddish brown on exposure to air and light. Flash point 185 °F. Has about the same density as water and is very slightly soluble in water. Vapors are heavier than air. Confirmed carcinogen.



