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N,N-Dimethylaniline CAS#121-69-7
CAS Number: 121-69-7
Chemical Formula:C8H11N
Synonyms:
N,N-Dimethylphenylamine
N,N-DIMETHYLACETATE
N-ACETYLDIMETHYLAMINE
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Appearance: Yellow Liquid
N,N-Dimethylaniline CAS#121-69-7
N,N-dimethylaniline is a tertiary amine that is aniline in which the amino hydrogens are replaced by two methyl groups. It is a tertiary amine and a dimethylaniline.
| 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 | 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 |
Product Application of N,N-Dimethylaniline CAS#121-69-7
N,N-Dimethylaniline is used in production of dyestuffs, as a solvent, a reagent in methylation reactions, and a hardener in fiberglass reinforced resins.
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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