403-21-4
3-Fluoro-4-nitrobenzoic acid
CAS: 403-21-4
Molecular Formula: C7H4FNO4
403-21-4 - Names and Identifiers
| Name | 3-Fluoro-4-nitrobenzoic acid |
| Synonyms | 3-Fluoro-4-nitrobenzoic 3-fluoro-4-nitrobenzoate 3-FLUORO-4-NITROBENZONICACID 3-Fluoro-4-nitrobenzoic acid 3-FLUORO-4-NITROBENZOIC CAID 3-FLUORO-4-NITROBENZOIC ACID 3-Fluoro-4-nitrobenzenecarboxylic acid 3-FLUORO-4-NITROBENZENECARBOXYLIC ACID |
| CAS | 403-21-4 |
| InChI | InChI=1/C7H4FNO4/c8-5-3-4(7(10)11)1-2-6(5)9(12)13/h1-3H,(H,10,11)/p-1 |
403-21-4 - Physico-chemical Properties
| Molecular Formula | C7H4FNO4 |
| Molar Mass | 185.11 |
| Density | 1.568±0.06 g/cm3(Predicted) |
| Melting Point | 174-175°C |
| Boling Point | 372.8±27.0 °C(Predicted) |
| Flash Point | 179.3°C |
| Solubility | soluble in Methanol |
| Vapor Presure | 3.23E-06mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Light yellow to Green |
| pKa | 3.08±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| MDL | MFCD01862092 |
| Physical and Chemical Properties | Melting Point: 174 - 175 |
403-21-4 - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R37/38 - Irritating to respiratory system and skin. R36 - Irritating to the eyes R22 - Harmful if swallowed |
| 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. S37 - Wear suitable gloves. |
| HS Code | 29163990 |
| Hazard Class | IRRITANT |
403-21-4 - Introduction
3-Fluoro-4-nitrobenzoic acid is an organic compound with the chemical formula C7H4FNO4. The following is a description of some properties, uses, preparation methods and safety information of the compound:
Nature:
-Appearance: White or slightly yellow crystal, or light yellow to yellowish brown powder.
-Melting point: 174-178 degrees Celsius.
-Boiling point: 329 degrees Celsius.
-Solubility: Soluble in alcohol and organic solvents, such as ethanol, dimethylformamide and dichloromethane.
Use:
- 3-Fluoro-4-nitrobenzoic acid is an important intermediate, widely used in the field of organic synthesis.
-It is commonly used in drug synthesis and dye synthesis.
-This compound can also be used as a raw material for dyes, pesticides and explosives.
Preparation Method:
The preparation method of 3-Fluoro-4-nitrobenzoic acid generally includes the following steps:
1. 4-Nitrobenzoic acid is reacted with hydrogen fluoride to obtain 3-nitro-4-fluorobenzoic acid.
2. The product obtained in the previous step is reacted with sulfuric acid to obtain 3-Fluoro-4-nitrobenzoic acid.
Safety Information:
- 3-Fluoro-4-nitrobenzoic acid may be irritating to the eyes, skin, and respiratory tract. Pay attention to the use of personal protective equipment during contact.
-It should be stored in a dark, dry and sealed container, away from fire and oxidizing agents.
-In use and handling, should follow the relevant safety procedures, and maintain good ventilation.
Nature:
-Appearance: White or slightly yellow crystal, or light yellow to yellowish brown powder.
-Melting point: 174-178 degrees Celsius.
-Boiling point: 329 degrees Celsius.
-Solubility: Soluble in alcohol and organic solvents, such as ethanol, dimethylformamide and dichloromethane.
Use:
- 3-Fluoro-4-nitrobenzoic acid is an important intermediate, widely used in the field of organic synthesis.
-It is commonly used in drug synthesis and dye synthesis.
-This compound can also be used as a raw material for dyes, pesticides and explosives.
Preparation Method:
The preparation method of 3-Fluoro-4-nitrobenzoic acid generally includes the following steps:
1. 4-Nitrobenzoic acid is reacted with hydrogen fluoride to obtain 3-nitro-4-fluorobenzoic acid.
2. The product obtained in the previous step is reacted with sulfuric acid to obtain 3-Fluoro-4-nitrobenzoic acid.
Safety Information:
- 3-Fluoro-4-nitrobenzoic acid may be irritating to the eyes, skin, and respiratory tract. Pay attention to the use of personal protective equipment during contact.
-It should be stored in a dark, dry and sealed container, away from fire and oxidizing agents.
-In use and handling, should follow the relevant safety procedures, and maintain good ventilation.
Last Update：2024-04-09 02:00:45
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