3-Bromo-5-nitrobenzoic acid（CAS# 6307-83-1)
| Risk Codes | R36/37/38 – Irritating to eyes, respiratory system and skin. R50 – Very Toxic to aquatic organisms 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. S61 – Avoid release to the environment. Refer to special instructions / safety data sheets. S60 – This material and its container must be disposed of as hazardous waste. S36/37 – Wear suitable protective clothing and gloves. S37 – Wear suitable gloves. |
| HS Code | 29163990 |
| Hazard Class | IRRITANT |
Introduction
3-Nitro-5-bromobenzoic acid (3-Bromo-5-nitrobenzoic acid) is an organic compound with the chemical formula C7H4BrNO4. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: 3-Nitro-5-bromobenzoic acid is a light yellow solid.
-Melting point: about 220-225°C.
-Solubility: Low solubility in water, but soluble in solvents such as ethanol, chloroform and dichloromethane.
-acid and alkaline: is a weak acid.
Use:
-3-nitro-5-bromobenzoic acid is often used as an intermediate in organic synthesis and is used in the preparation of other compounds.
-It can also be used to prepare compounds such as medicines, dyes and coatings.
Preparation Method:
The preparation of 3-nitro-5-bromobenzoic acid can be completed by the following steps:
1. 3-nitrobenzoic acid was obtained by the reaction of benzoic acid and nitrous acid.
2. In the presence of ferrous bromide, 3-nitrobenzoic acid is reacted with sodium bromide to obtain 3-nitro-5-bromobenzoic acid.
Safety Information:
3-Nitro-5-bromobenzoic acid is generally relatively safe in proper use and storage. However, the following matters still need to be noted:
-Avoid skin contact, inhalation and ingestion during operation.
-Wear appropriate protective equipment such as gloves, glasses, and face shields when used.
-If you come into contact with the compound, rinse immediately with plenty of water and seek medical attention.
-should be stored away from fire and oxidant, in a cool, dry place.
Note: The above information is for reference only. Please follow the relevant safety regulations when operating in the laboratory, and consult the safety data sheet of the specific compound if necessary.
