106-49-0
Product Name:
p-Toluidine
Formula:
C7H9N
Synonyms:
p-Toluidine;4-Aminotoluene;4-Aminotoluene, 4-Methylaniline;4-Methylaniline
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CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | P-toluidine is a colorless solid. Melting point 44 °C (111 °F). Specific gravity 1.046. Vapor heavier than air. Produces toxic oxides of nitrogen during combustion. May be absorbed through the skin. Used in dyes, and in organic chemical manufacturing. |
|---|---|
| Color/Form | Lustrous plates or leaflets |
| Odor | Aromatic, wine-like odor |
| Taste | Burning taste |
| Boiling Point | 393 °F at 760 mmHg (USCG, 1999) |
| Melting Point | 112.1 °F (USCG, 1999) |
| Flash Point | 188 °F (USCG, 1999) |
| Solubility | 0.7 % (NIOSH, 2023) |
| Density | 1 at 68 °F (USCG, 1999) |
| Vapor Density | 3.90 (Air = 1) |
| Vapor Pressure | 1 mmHg at 108 °F (NIOSH, 2023) |
| LogP | log Kow = 1.39 |
| Henry's Law Constant | Henry's Law constant = 2.02X10-6 atm-cu m/mol at 25 °C |
| Autoignition Temperature | 899 °F (USCG, 1999) |
| Decomposition | When heated to decomposition it emits highly toxic fumes of /nitroxides/. |
| Heat of Vaporization | 44.3 kJ/mol at 200.4 °C |
| Ionization Potential | 7.50 eV |
| Ionization Efficiency | Positive |
| Odor Threshold | Odor Threshold Low: 0.02 [mmHg] Odor Threshold High: 3.2 [mmHg] Odor threshold from AIHA |
| Refractive Index | Index of refraction: 1.5534 at 45 °C/D |
| Dissociation Constants | pKa = 5.10 at 25 °C (conjugate acid) |
| Kovats Retention Index | 1042.1 1068 1092 1092 1055.3 1056.5 1037 |
| Other Experimental Properties | Heat of fusion: 18.9 kJ/mol at 43.6 °C |
| 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 |
H317:Sensitisation, Skin H319:Serious eye damage/eye irritation H351:Carcinogenicity 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. 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 | 1.4 |
| 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 | 62.8 |
| 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
P-toluidine is a colorless solid. Melting point 44 °C (111 °F). Specific gravity 1.046. Vapor heavier than air. Produces toxic oxides of nitrogen during combustion. May be absorbed through the skin. Used in dyes, and in organic chemical manufacturing.
RELATED SUPPLIERS
Panoli Intermediates (India) Pvt., Limited. (Kutch Chemical Industries Ltd.)
1Y
product:p-Toluidine 99%