1-Bromo-4-nitrobenzene(CAS#586-78-7)
Hazard Symbols | Xn – Harmful |
Risk Codes | R20/21/22 – Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 – Irritating to eyes, respiratory system and skin. |
Safety Description | S22 – Do not breathe dust. 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. |
UN IDs | UN 3459 |
Introduction
1-Bromo-4-nitrobenzene is an organic compound with the chemical formula C6H4BrNO2. The following is a description of its nature, use, formulation and safety information:
Nature:
1-Bromo-4-nitrobenzene is a pale yellow crystal with a bitter almond flavor. It is a solid at room temperature and has a high melting point and boiling point. It is poorly soluble in water, but soluble in organic solvents such as alcohols and ethers.
Use:
1-Bromo-4-nitrobenzene has a wide range of uses in organic synthesis. It can be used as an intermediate for the synthesis of other organic compounds, such as drugs, dyes and pesticides. It can also be used as a starting material in synthetic reactions for antibiotics, hormones and cosmetics.
Preparation Method:
The preparation of 1-Bromo-4-nitrobenzene can be carried out by the following steps:
1. nitric acid reacts with bromobenzene to generate 4-nitrobromobenzene.
2. 4-nitrobromobenzene is converted to 1-Bromo-4-nitrobenzene by reduction reaction.
Safety Information:
1-Bromo-4-nitrobenzene is a harmful substance that is irritating and carcinogenic. Wear protective gloves and glasses to avoid contact with skin and eyes. Avoid inhaling its dust or vapor and ensure that it is used in a well-ventilated place. In storage and handling, to follow the relevant safety procedures.