2,4-Difluoro-3,5-dichloroaniline
2,4-Difluoro-3,5-dichloroaniline
CAS: 83121-15-7
Molecular Formula: C6H3Cl2F2N
2,4-Difluoro-3,5-dichloroaniline - Names and Identifiers
2,4-Difluoro-3,5-dichloroaniline - Physico-chemical Properties
| Molecular Formula | C6H3Cl2F2N |
| Molar Mass | 198 |
| Density | 1.596±0.06 g/cm3(Predicted) |
| Melting Point | 75 °C |
| Boling Point | 268.1±35.0 °C(Predicted) |
| Flash Point | 116°C |
| Solubility | soluble in Methanol |
| Vapor Presure | 0.00784mmHg at 25°C |
| Appearance | Solid |
| Color | White to Gray to Brown |
| pKa | 1.15±0.10(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Refractive Index | 1.562 |
| MDL | MFCD00044104 |
| Physical and Chemical Properties | This product is a colorless solid. |
2,4-Difluoro-3,5-dichloroaniline - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| Hazard Note | Irritant |
2,4-Difluoro-3,5-dichloroaniline - Reference Information
| Use | This product is an intermediate of the insecticide florfenuron. |
| production method | the preparation method is to reduce 2, 4-difluoro-3, 5-dichloronitrobenzene with iron powder, 2, 4-difluoro-3, 5-dichloroaniline was obtained. 0.1mL of concentrated hydrochloric acid, 16.46g of reduced iron powder and 20mL of water were added to the mL flask. After pre-etching, 19.15g of 2, 4-difluoro-3, 5-dichloronitrobenzene was added, and the mixture was heated and refluxed for 1H, after stopping the reaction, the reaction was adjusted to pH = 11 with NaOH, extracted with chloroform, and the solvent was removed under reduced pressure to obtain 2, 4-difluoro-3, 5-dichloroaniline. |
Last Update：2024-04-09 02:00:12
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