39489-77-5
2,4-Dichloro-5-nitrophenol
CAS: 39489-77-5
Molecular Formula: C6H3Cl2NO3
39489-77-5 - Names and Identifiers
| Name | 2,4-Dichloro-5-nitrophenol |
| Synonyms | 2,4-DICHLORO-5-NITROPHENOL 2,4-Dichloro-5-nitrophenol 2,4-dichloro-5-nitrobenzenol Phenol, 2,4-dichloro-5-nitro- |
| CAS | 39489-77-5 |
| InChI | InChI=1/C6H3Cl2NO3/c7-3-1-4(8)6(10)2-5(3)9(11)12/h1-2,10H |
| InChIKey | OFAPWTOOMSVMIU-UHFFFAOYSA-N |
39489-77-5 - Physico-chemical Properties
| Molecular Formula | C6H3Cl2NO3 |
| Molar Mass | 208 |
| Density | 1.682±0.06 g/cm3(Predicted) |
| Melting Point | 96-98°C |
| Boling Point | 311.2±42.0 °C(Predicted) |
| Flash Point | 142°C |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Vapor Presure | 0.000312mmHg at 25°C |
| Appearance | Solid |
| Color | Light Tan |
| BRN | 1733418 |
| pKa | 6.09±0.24(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.638 |
| Physical and Chemical Properties | This product is yellow solid, insoluble in water, soluble in benzene, toluene, ethanol, chloroform and other organic solvents. |
39489-77-5 - Risk and Safety
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - 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. |
| UN IDs | 2811 |
| Hazard Class | 6.1 |
| Packing Group | III |
39489-77-5 - Reference Information
| Uses | 2, 4-dichloro-5-nitrophenol is an intermediate of the herbicide oxalone. |
| production method | its preparation method is to put 2,4-dichlorophenol and lye into a reaction kettle, start stirring, drop protective agent at an appropriate temperature, keep the temperature for several hours after dropping, cool and filter to obtain 2,4-dichlorophenyl alkoxy compound, and then add concentrated nitric acid and water in another reaction kettle, add sulfuric acid dropwise in the reaction kettle to generate mixed acid, add the above-mentioned phenylalkoxy compound and solvent in another reaction kettle, start stirring, cool, add mixed acid dropwise in the reaction liquid, and slowly heat up to a certain temperature after the dropwise addition, react for several hours, delaminate, dedissolve the organic layer, and cool to obtain a phenylalkoxy nitrate solid. Then the nitrate is transferred into the reaction kettle, lye is added for hydrolysis, dilute acid is added to obtain yellow precipitation after hydrolysis, and the product is filtered. |
Last Update：2024-04-09 21:01:54
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View History
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