121-69-7
Product Name:
N,N-Dimethylaniline
Formula:
C8H11N
Synonyms:
Dimethylaminobenzene;N,N-Dimethylaniline
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | N,n-dimethylaniline appears as a yellow to brown colored oily liquid with a fishlike odor. Less dense than water and insoluble in water. Flash point 150 °F. Toxic by ingestion, inhalation, and skin absorption. Used to make dyes and as a solvent. |
|---|---|
| Color/Form | Pale-yellow, oily liquid [Note: A solid below 36 degrees F] |
| Odor | Amine-like odor |
| Boiling Point | 381 °F at 760 mmHg (NTP, 1992) |
| Melting Point | 36.4 °F (NTP, 1992) |
| Flash Point | 145 °F (NTP, 1992) |
| Solubility | less than 1 mg/mL at 70 °F (NTP, 1992) |
| Density | 0.9557 at 68 °F (NTP, 1992) - Less dense than water; will float |
| Vapor Density | 4.17 (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 1 mmHg at 85.1 °F (NTP, 1992) |
| LogP | log Kow = 2.31 |
| Stability/Shelf Life | Stable under recommended storage conditions. |
| Autoignition Temperature | 700 °F (NTP, 1992) |
| Decomposition | When heated to decomposition it emits highly toxic fumes of aniline and NOx. |
| Viscosity | 1.300 mPa.s at 25 °C |
| Heat of Vaporization | 52.83 kJ/mol at 25 °C |
| Surface Tension | 35.52 mN/m at 25 °C |
| Ionization Potential | 7.14 eV |
| Ionization Efficiency | Positive |
| Odor Threshold | Odor Threshold Low: 0.001 [mmHg] Odor Threshold High: 0.2 [mmHg] Odor threshold from AIHA |
| Refractive Index | Index of refraction: 1.5582 at 20 °C/D |
| Dissociation Constants | pKa = 5.07 at 25 °C |
| Kovats Retention Index | 1065.4 1062.07 1062.37 1062.71 1063 1100 1083.9 1094.5 1074 1087 1087 1100 1062 1067 1073 1068 1086.1 1073 1061 1080 |
| Other Experimental Properties | Hydroxyl radical reaction rate constant = 1.48X10-10 cu cm/molecule-sec at 25 °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 |
H351:Carcinogenicity H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. 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. |
COMPUTED DESCRIPTORS
| Molecular Weight | 121.18 g/mol |
|---|---|
| XLogP3 | 2.3 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 1 |
| Exact Mass | 121.089149355 g/mol |
| Monoisotopic Mass | 121.089149355 g/mol |
| Topological Polar Surface Area | 3.2 Ų |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Complexity | 72.6 |
| 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,n-dimethylaniline appears as a yellow to brown colored oily liquid with a fishlike odor. Less dense than water and insoluble in water. Flash point 150 °F. Toxic by ingestion, inhalation, and skin absorption. Used to make dyes and as a solvent.