153775-33-8 - Names and Identifiers
Name | 2,4-Difluoro-5-nitrobenzoic acid
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Synonyms | 2,4-difluoro-5-nitrobenzoate 4-Difluoro-5-nitrobenzoic acid 2,4-DIFLUORO-5-NITROBENZOIC ACID 2,4-Difluoro-5-nitrobenzoic acid 5-Carboxy-2,4-difluoronitrobenzene Benzoic acid, 2,4-difluoro-5-nitro-
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CAS | 153775-33-8
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InChI | InChI=1/C7H3F2NO4/c8-4-2-5(9)6(10(13)14)1-3(4)7(11)12/h1-2H,(H,11,12)/p-1 |
153775-33-8 - Physico-chemical Properties
Molecular Formula | C7H3F2NO4
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Molar Mass | 203.1 |
Density | 1.661 |
Melting Point | 116-120°C |
Boling Point | 344.4±42.0 °C(Predicted) |
Flash Point | 162.1°C |
Vapor Presure | 2.52E-05mmHg at 25°C |
pKa | 2?+-.0.12(Predicted) |
Storage Condition | Sealed in dry,Room Temperature |
153775-33-8 - Risk and Safety
Hazard Symbols | Xi - Irritant

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Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin.
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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.
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Hazard Note | Irritant/Keep Cold |
153775-33-8 - Introduction
2,4-difluoro-5-nitrobenzoic acid is an organic compound with the chemical formula C7H3F2NO4. The following is a description of its nature, use, preparation and safety information:
Nature:
-2,4-difluoro-5-nitrobenzoic acid is a colorless to pale yellow crystal or powder.
-It is stable at room temperature and soluble in organic solvents such as ethanol and dimethyl sulfoxide.
-Its melting point is about 150-152°C.
Use:
-2,4-difluoro-5-nitrobenzoic acid is mainly used as an important intermediate compound, commonly used in the synthesis of pesticides, dyes, pharmaceuticals and other organic compounds.
-It can be used for synthetic pesticides and herbicides in the agricultural field.
-In the process of chemical synthesis, it can also be used as a precursor for laser dyes.
Method:
-2,4-difluoro-5-nitrobenzoic acid is typically prepared by reacting 2,4-difluoro-5-nitrophenol (2,4-difluoro-5-nitrophenol) with chloroacetic acid. The reaction is usually carried out under acidic conditions.
Safety Information:
-2,4-difluoro-5-nitrobenzoic acid is an organic compound and should comply with general laboratory safety procedures.
-Avoid contact with flammable substances and oxidizing agents during handling, storage and use.
-Wear appropriate personal protective equipment, such as gloves and protective glasses.
-In the event of ingestion, inhalation, or skin contact with this compound, seek immediate medical help and take care to provide appropriate first aid.
Please note that the above information is for reference only. When using and handling 2,4-difluoro-5-nitrobenzoic acid, please refer to the relevant chemical literature and safety manual, and follow the guidance of professional laboratories.
Last Update:2024-04-09 15:17:53