143879-77-0
2,6-Difluoro-3-nitrobenzonitrile
CAS: 143879-77-0
Molecular Formula: C7H2F2N2O2
143879-77-0 - Names and Identifiers
| Name | 2,6-Difluoro-3-nitrobenzonitrile |
| Synonyms | BUTTPARK 87 1-76 2,4-DIFLUORO-3-CYANONITROBENZENE 2,6-Difluoro-3-nitrobenzonitrile 3-Cyano-2,4-difluoronitrobenzene 2,6-DIFLUORO-3-NITROBENZONITRILE Benzonitrile, 2,6-difluoro-3-nitro- 3-Methyl-,5-dioxa-1,1,6,6-hexantetracarbonsaeure |
| CAS | 143879-77-0 |
| InChI | InChI=1/C7H2F2N2O2/c8-5-1-2-6(11(12)13)7(9)4(5)3-10/h1-2H |
143879-77-0 - Physico-chemical Properties
| Molecular Formula | C7H2F2N2O2 |
| Molar Mass | 184.1 |
| Density | 1.407 |
| Melting Point | 50 °C |
| Boling Point | 176 °C |
| Flash Point | 113.3°C |
| Vapor Presure | 0.0101mmHg at 25°C |
| BRN | 5431828 |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.529 |
143879-77-0 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| 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. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | 3439 |
| Hazard Note | Irritant |
| Hazard Class | 6.1 |
| Packing Group | III |
143879-77-0 - Introduction
2, is an organic compound with the chemical formula C7H3F2N2O2. The following is a description of its nature, use, preparation and safety information:
Nature:
2, is colorless or light yellow crystalline, with a melting point of 65-68 ℃. It is poorly soluble in water and soluble in common organic solvents such as ethanol, ether and dichloromethane.
Use:
2, is an important intermediate compound, which has a wide range of applications in the field of pesticide synthesis and medicine. It can be used in the synthesis of a variety of insecticides and herbicides, such as nitrosin pesticides. In addition, it can also be used to synthesize some biologically active compounds, such as oxalate anticancer drugs.
Method:
2. The preparation of phosphonium is usually obtained by esterification of 2,6-difluoro-3-nitrobenzoic acid and sodium hypochlorite. Specific synthetic steps include esterification, acid hydrolysis and purification.
Safety Information:
2. It is necessary to follow the corresponding safety operation procedures during storage and use. Since it is an organic compound with certain toxicity, it is necessary to avoid direct contact with skin and eyes during contact and inhalation, and ensure that it is operated in a well-ventilated environment. In addition, it should be stored in a sealed container, away from fire and oxidizing agents. Relevant environmental protection measures shall also be observed when dealing with wastes containing 2 and 4.
Nature:
2, is colorless or light yellow crystalline, with a melting point of 65-68 ℃. It is poorly soluble in water and soluble in common organic solvents such as ethanol, ether and dichloromethane.
Use:
2, is an important intermediate compound, which has a wide range of applications in the field of pesticide synthesis and medicine. It can be used in the synthesis of a variety of insecticides and herbicides, such as nitrosin pesticides. In addition, it can also be used to synthesize some biologically active compounds, such as oxalate anticancer drugs.
Method:
2. The preparation of phosphonium is usually obtained by esterification of 2,6-difluoro-3-nitrobenzoic acid and sodium hypochlorite. Specific synthetic steps include esterification, acid hydrolysis and purification.
Safety Information:
2. It is necessary to follow the corresponding safety operation procedures during storage and use. Since it is an organic compound with certain toxicity, it is necessary to avoid direct contact with skin and eyes during contact and inhalation, and ensure that it is operated in a well-ventilated environment. In addition, it should be stored in a sealed container, away from fire and oxidizing agents. Relevant environmental protection measures shall also be observed when dealing with wastes containing 2 and 4.
Last Update：2024-04-09 21:04:16
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