N,N-Dimethylaniline is an organic compound with amine and methyl groups attached to a benzene ring. It is a colorless liquid with a characteristic amine odor. This compound is primarily used as a chemical intermediate in the synthesis of dyes, pigments, and polymers. Its reactivity makes it a valuable building block in the production of various organic compounds, particularly in the pharmaceutical and chemical industries.
描述
N,N-Dimethylaniline CAS#121-69-7
| N,N-Dimethylaniline Chemical Properties |
| Melting point | 1.5-2.5 ??C (lit.) |
| Boiling point | 193-194 ??C (lit.) |
| density | 0.956 g/mL at 25 ??C (lit.) |
| vapor density | 3 (vs air) |
| vapor pressure | 2 mm Hg ( 25 ??C) |
| refractive index | n20/D?1.557(lit.) |
| Fp | 158???F |
| storage temp. | Store below +30??C. |
| solubility | 1.2g/l |
| form | Liquid |
| pka | 5.15(at 25??) |
| color | Clear yellow |
| Relative polarity | 0.179 |
| PH | 7.4 (1.2g/l, H2O, 20??) |
| explosive limit | 1.2-7%(V) |
| Water Solubility | 1 g/L (20 oC) |
| Merck | 14,3234 |
| BRN | 507140 |
| Henry’s Law Constant | 4.98(x 10-6?atm?m3/mol) at 20 ??C (approximate – calculated from water solubility and vapor pressure) |
| Exposure limits | NIOSH REL: TWA 5 ppm (25 mg/m3), STEL 10 ppm (50 mg/m3), IDLH 100 ppm; OSHA PEL: TWA 5 ppm; ACGIH TLV: TWA 5 ppm, STEL 10 ppm (adopted). |
| Dielectric constant | 4.4000000000000004 |
| Stability: | Stable. Incompatible with strong oxidizing agents, strong acids, acid chlorides, acid anhydrides, chloroformates, halogens. Combustible. |
| InChIKey | JLTDJTHDQAWBAV-UHFFFAOYSA-N |
| LogP | 1.171 at 35?? |
| CAS DataBase Reference | 121-69-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzenamine, N,N-dimethyl-(121-69-7) |
| IARC | 3 (Vol. 57) 1993 |
| EPA Substance Registry System | N,N-Dimethylaniline (121-69-7) |
