2,3,4,5-tetrachloronitrobenzene
2,3,4,5-tetrachloronitrobenzene
CAS: 879-39-0
Molecular Formula: C6HCl4NO2
2,3,4,5-tetrachloronitrobenzene - Names and Identifiers
2,3,4,5-tetrachloronitrobenzene - Physico-chemical Properties
| Molecular Formula | C6HCl4NO2 |
| Molar Mass | 260.89 |
| Density | 1.9820 (rough estimate) |
| Melting Point | 65°C |
| Boling Point | 120.5°C (rough estimate) |
| Flash Point | 144.4°C |
| Water Solubility | 7.305mg/L(20 ºC) |
| Solubility | Chloroform (Slightly), Methanol (Slightly) |
| Vapor Presure | 0.000822mmHg at 25°C |
| Appearance | Solid |
| Color | Off-White |
| Storage Condition | -20°C Freezer, Under inert atmosphere |
| Refractive Index | 1.6200 (estimate) |
| Physical and Chemical Properties | 2,3,4, 5-tetrachloronitrobenzene is a white solid, m.p.65.0 ~ 65.2 °c, insoluble in water, soluble in toluene. |
2,3,4,5-tetrachloronitrobenzene - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| 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. S36 - Wear suitable protective clothing. |
| RTECS | DB9625000 |
| HS Code | 29049090 |
2,3,4,5-tetrachloronitrobenzene - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | Intermediate 2,3,4, 5-tetrachloronitrobenzene for the synthesis of the insecticide fluorophenylurea, 4-difluoro-3, 5-dichloronitrobenzene. |
| production method | the preparation method is prepared by chlorination of 2,4, 5-trichloronitrobenzene. Add a certain amount of 2,4, 5-trichloronitrobenzene and chlorosulfonic acid in the reactor, enter the chlorine gas, the temperature is controlled at (60±10)℃, the reaction time is about 10H, the reaction was followed by thin layer analysis. After completion of the reaction, it is poured into a large amount of ice water, allowed to stand, filtered, recrystallized with petroleum ether, and dried to obtain 2,3,4,5-tetrachloronitrobenzene. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:04:16
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