2-Chloro-4-fluorobenzoic acid（CAS# 2252-51-9)
| Risk Codes | R22 – Harmful if swallowed R37/38 – Irritating to respiratory system and skin. R41 – Risk of serious damage to eyes 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. S37/39 – Wear suitable gloves and eye/face protection S36 – Wear suitable protective clothing. |
| WGK Germany | 3 |
| HS Code | 29163990 |
| Hazard Class | IRRITANT |
Introduction
2-Chloro-4-fluorobenzoic acid is an organic compound. The following is an introduction to the properties, uses, preparation methods and safety information of 2-chloro-4-fluorobenzoic acid:
Quality:
- Appearance: 2-Chloro-4-fluorobenzoic acid is a white crystalline solid.
- Solubility: It has low solubility in water, but has good solubility in organic solvents (e.g., ethanol, acetone).
- Stability: It is a stable compound, but contact with strong oxidants and acids should be avoided.
Use:
- Chemical intermediates: 2-chloro-4-fluorobenzoic acid can be used as chemical intermediates in organic synthesis.
- Surfactant: It can be used as a raw material for surfactants and has good surface activity and dispersion properties.
- Photosensitive materials: 2-chloro-4-fluorobenzoic acid can be used to prepare photosensitive materials, such as light-curing adhesives.
Method:
2-Chloro-4-fluorobenzoic acid can be obtained by fluorochloro-substitution reaction of p-dichlorobenzoic acid or difluorobenzoic acid. Specific preparation methods may include fluorochloro-substitution, fluorination or other suitable substitution reactions.
Safety Information:
- Toxicity: 2-chloro-4-fluorobenzoic acid is an organofluorine compound, which is less toxic than general organofluorine compounds. However, care should be taken to avoid inhalation or contact.
- Irritation: It can cause irritation to the eyes, skin and respiratory tract and should be washed promptly after contact.
- Fire extinguishing agents: In a fire, extinguishing should be carried out with an appropriate extinguishing agent such as carbon dioxide, foam or dry powder, avoiding the use of water to extinguish the fire as it has a low solubility in water.
- Storage: 2-Chloro-4-fluorobenzoic acid should be stored in a dry, well-ventilated place, away from fire and strong oxidants.
