N,N-Dimethylaniline CAS#121-69-7
CAS Number: 57-55-6
Chemical Formula:C3H8O2
Synonyms:
Aniline, N,N-dimethyl-
N,N-Dimethylphenylamine
N,N-DIMETHYLACETATE
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Appearance: Transperant yellow Liquid
N,N-Dimethylaniline CAS#121-69-7
DMA, an aromatic amine, is a straw-coloredliquid with a characteristic amine-like odor. It turns brownon contact with air. Molecular weight= 121.20; Boilingpoint= 192℃; Freezing/Melting point = 2.2℃; Vaporpressure = 1 mmHg at 20℃; Flash point = 61℃;Autoignition temperature= 371℃. Explosive limits:LEL = 1%; UEL= 7%. Insoluble in water.
| 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.) |
| vapr density | 3 (vs air) |
| vapor pressure | 2 mm Hg ( 25 °C) |
| refractive index | n |
| Fp | 158 °F |
| storage temp. | Store below +30°C. |
| solubility | 1.2g/l |
| pka | 5.15(at 25℃) |
| form | Liquid |
| color | Clear yellow |
| PH | 7.4 (1.2g/l, H2O, 20℃) |
| Relative polarity | 0.179 |
| 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) |
| Dielectric constant | 4.4000000000000004 |
| 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). |
| 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) |
| IARC | 3 (Vol. 57) 1993 |
| NIST Chemistry Reference | Benzenamine, N,N-dimethyl-(121-69-7) |
| EPA Substance Registry System | N,N-Dimethylaniline (121-69-7) |
| Safety Information |
| Hazard Codes | T,N |
| Risk Statements | 61-20/21-51/53-40-23/24/25 |
| Safety Statements | 53-45-61-36/37-28A-28 |
| RIDADR | UN 2253 6.1/PG 2 |
| OEB | A |
| OEL | TWA: 5 ppm (25 mg/m3), STEL: 10 ppm (50 mg/m3) [skin] |
| WGK Germany | 3 |
| RTECS | BX4725000 |
| F | 8 |
| Autoignition Temperature | 370 °C DIN 51794 |
| TSCA | Yes |
| HS Code | 2921 42 00 |
| HazardClass | 6.1 |
| PackingGroup | II |
| Hazardous Substances Data | 121-69-7(Hazardous Substances Data) |
| Toxicity | LD50 orally in rats: 1.41 ml/kg (Smyth) |
| IDLA | 100 ppm |
Production Application of N,N-Dimethylaniline CAS#121-69-7
N,N-dimethylaniline is an important dye intermediate. It can be used to prepare alkaline yellow, Crystal Violet 5BN, basic magenta green, basic lake blue BB, basic brilliant blue R, cationic red 2BL, brilliant red 5GN, violet 3BL, brilliant blue, etc. In the pharmaceutical industry, the product can be used to manufacture cefazolin V, sulfamonomethoxine, Sulfadoxine, fluorocytosine, etc. moreover, It can be used as an intermediate to vanillin, a stabilizer for colorimetric peroxidase determination or as a reagent in chemical synthesis.
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