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N-methylaniline
PHYSICAL PROPERTIES:
| Product Name: | N-Methylaniline |
| Synonyms: | MONOMETHYLANILINE;N-METHYLANILINE;N-METHYLAMINOBENZENE;N-MONOMETHYLANILINE;(Methylamino)benzene;Benzenamine, N-methyl-;Benzenenamine, N-methyl-;methylaniline(non-specificname) |
| CAS: | 100-61-8 |
| MF: | C7H9N |
| MW: | 107.15 |
| EINECS: | 202-870-9 |
| Product Categories: | Amines;Building Blocks;C7;Chemical Synthesis;Nitrogen Compounds;Organic Building Blocks;Intermediates of Dyes and Pigments;Anilines, Aromatic Amines and Nitro Compounds;Organics;Fine Intermediate;100-61-8 |
| Mol File: | 100-61-8.mol |
| N-Methylaniline Chemical Properties |
| Melting point | -57 °C (lit.) |
| Boiling point | 196 °C (lit.) |
| density | 0.989 g/mL at 25 °C (lit.) |
| vapor pressure | 0.5 hPa (20 °C) |
| refractive index | n |
| Fp | 174 °F |
| storage temp. | Store below +30°C. |
| solubility | water: slightly soluble30g/L |
| pka | 4.84(at 25℃) |
| form | Liquid |
| color | Clear yellow to brown |
| PH | 7.6 (1g/l, H2O, 20℃) |
| Odor | Moderate aniline-type. |
| Water Solubility | 30 g/L |
| Sensitive | Air Sensitive |
| Merck | 14,6019 |
| BRN | 741982 |
| Henry's Law Constant | (x 10-5 atm?m3/mol): 1.19 at 25 °C (approximate - calculated from water solubility and vapor pressure) |
Specification
| Item | Index |
| N-methylaniline | 99%min |
| Aniline | 0.2%max |
| N,N-dimethylaniline | 0.7%max |
| Other & moisture | 0.1%max |
| Preparation | N-methylaniline was synthesized by the reaction of aniline with dimethyl sulfate. Dimethyl sulfate was added dropwise to the mixed solution of aniline and water below 10°C, stirred for 1 h, and then added dropwise with 30% sodium hydroxide solution. The upper layer is the organic phase, and the lower layer is extracted with benzene. After the benzene is recovered from the extract, the obtained oil Chemicalbook-like substance is combined with the organic phase to obtain a mixture of aniline, N-methylaniline and N,N-dimethylaniline. The mixture was treated with sulfuric acid, and the aniline formed sulfate crystals which were filtered off. N,N-dimethylaniline can be converted to N-methylaniline by the following reaction. |
APPLICATION:
1. Used as important raw material of pesticide Buprofezin and Mefenacet,
2. Used to make cationic dye .
3.It has wide applications in the field of petroleum additives.(95.0%)
