2-Bromo-5-nitrobenzoic acid（CAS# 943-14-6)
| Hazard Symbols | Xi – Irritant |
| Risk Codes | 36/37/38 – 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. S37/39 – Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| HS Code | 29163990 |
Introduction
2-Bromo-5-nitrobenzoic acid is an organic compound with the chemical formula C7H4BrNO4. The following is a description of its nature, use, preparation and safety information:
Nature:
- 2-Bromo-5-nitrobenzoic acid is a yellow solid crystal, odorless.
-It is insoluble in water at room temperature, but soluble in organic solvents such as ethanol, chloroform and dimethyl sulfoxide.
-It has a certain degree of stability, but it can react in the presence of strong oxidants.
Use:
- 2-Bromo-5-nitrobenzoic acid is often used as an important intermediate in organic synthesis reactions.
-It can react with other compounds to form new organic compounds.
-It can also be used to prepare fluorescent dyes, pesticides and pharmaceutical chemicals.
Method:
- 2-Bromo-5-nitrobenzoic acid can be prepared by the following steps:
1. benzoic acid is reacted with concentrated nitric acid to obtain nitrobenzoic acid.
2. adding bromine to react with nitrobenzoic acid under appropriate conditions to generate 2-Bromo-5-nitrobenzoic acid.
Safety Information:
- 2-Bromo-5-nitrobenzoic acid is an organic compound, and attention should be paid to its toxicity.
-In the operation, should wear protective glasses and gloves, avoid skin contact.
-Operate in a well-ventilated environment to avoid inhaling dust or gas from the substance.
-If an overdose of the substance is taken by mistake or inhaled, consult a doctor immediately and inform the doctor of the situation.
-Keep away from fire and heat and store in a cool, dry place.
