56741-33-4
5-amino-2-fluorobenzoic acid
CAS: 56741-33-4
Molecular Formula: C7H6FNO2
56741-33-4 - Names and Identifiers
56741-33-4 - Physico-chemical Properties
| Molecular Formula | C7H6FNO2 |
| Molar Mass | 155.13 |
| Density | 1.430±0.06 g/cm3(Predicted) |
| Melting Point | 190 °C |
| Boling Point | 351.3±27.0 °C(Predicted) |
| Flash Point | 166.3°C |
| Vapor Presure | 1.54E-05mmHg at 25°C |
| pKa | 2.41±0.10(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Refractive Index | 1.606 |
| MDL | MFCD00077449 |
56741-33-4 - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37 - Wear suitable gloves. |
| HS Code | 29163990 |
| Hazard Note | Irritant |
56741-33-4 - Introduction
5-amino-2-fluorobenzoic acid is an organic compound with the chemical formula C7H6FNO2. It is a white crystalline solid, stable at room temperature. The following is a description of its nature, use, preparation and safety information:
Nature:
1. Appearance: 5-amino-2-fluorobenzoic acid is a white crystalline solid.
2. Solubility: It has low solubility in water and can be slightly soluble in organic solvents such as ethanol and ketone.
3. Thermal stability: It has good thermal stability and is not easy to decompose during heating.
Use:
5-amino-2-fluorobenzoic acid is an important intermediate in organic synthesis and is commonly used in the pharmaceutical and dye industries.
1. Pharmaceutical applications: It can be used to synthesize some drugs, such as clozapine.
2. Dye application: It can be used as a dye precursor for the synthesis of some colored dyes.
Preparation Method:
The preparation methods of 5-amino-2-fluorobenzoic acid mainly include the following:
1. Fluorination reaction: 2-fluorobenzoic acid and ammonia are reacted together with a catalyst to obtain 5-amino-2-fluorobenzoic acid.
2. diazo reaction: first prepare the diazo compound of 2-fluorobenzoic acid, and then react with ammonia to generate 5-amino-2-fluorobenzoic acid.
Safety Information:
The safety information on 5-amino-2-fluorobenzoic acid needs further research and experimental verification. In use should pay attention to the following points:
1. Avoid contact: avoid contact with skin, eyes and respiratory tract. Rinse with clean water immediately after contact.
2. Storage Note: Store in a dry, cool place, away from fire and flammable materials.
3. operation note: in the use of the process should wear protective gloves, glasses and masks, to ensure good ventilation.
Nature:
1. Appearance: 5-amino-2-fluorobenzoic acid is a white crystalline solid.
2. Solubility: It has low solubility in water and can be slightly soluble in organic solvents such as ethanol and ketone.
3. Thermal stability: It has good thermal stability and is not easy to decompose during heating.
Use:
5-amino-2-fluorobenzoic acid is an important intermediate in organic synthesis and is commonly used in the pharmaceutical and dye industries.
1. Pharmaceutical applications: It can be used to synthesize some drugs, such as clozapine.
2. Dye application: It can be used as a dye precursor for the synthesis of some colored dyes.
Preparation Method:
The preparation methods of 5-amino-2-fluorobenzoic acid mainly include the following:
1. Fluorination reaction: 2-fluorobenzoic acid and ammonia are reacted together with a catalyst to obtain 5-amino-2-fluorobenzoic acid.
2. diazo reaction: first prepare the diazo compound of 2-fluorobenzoic acid, and then react with ammonia to generate 5-amino-2-fluorobenzoic acid.
Safety Information:
The safety information on 5-amino-2-fluorobenzoic acid needs further research and experimental verification. In use should pay attention to the following points:
1. Avoid contact: avoid contact with skin, eyes and respiratory tract. Rinse with clean water immediately after contact.
2. Storage Note: Store in a dry, cool place, away from fire and flammable materials.
3. operation note: in the use of the process should wear protective gloves, glasses and masks, to ensure good ventilation.
Last Update：2024-04-09 21:54:55
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