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[Chemical Knowledge]：Precautions for the use of dinitrobenzene sulfonyl chloride

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Dinitrobenzene sulfonyl chloride is a common chemical reagent, which is widely used in organic synthesis. However, due to its strong corrosion and toxicity, it is necessary to strictly abide by the operating procedures and take necessary safety measures during use. The following will introduce the precautions and safe operation points of dinitrobenzene sulfonyl chloride.

1. use precautions
1. dinitrobenzene sulfonyl chloride is corrosive substances, should wear protective glasses, gloves and protective clothing, avoid contact with skin and eyes.
2. Avoid inhaling the odor during use, and maintain good ventilation during operation.
3. During storage and operation, keep away from fire and heat sources to prevent the risk of fire and explosion.
4. Dinitrobenzenesulfonyl chloride has strong corrosiveness and shall not be mixed with acid, alkali and reducing agent to avoid accidents caused by chemical reactions.
5. After the use of containers and equipment should be cleaned in time to avoid residue pollution of the environment.

2. safety operation key points
1. before use should do adequate personal protective measures, select the appropriate protective equipment.
2. Before operation, conduct a comprehensive inspection of the laboratory to confirm that the equipment is intact to avoid accidental injury caused by equipment failure.
3. Strictly abide by the operating procedures during use to avoid accidents caused by operating errors.
4. Be vigilant during the operation. It is strictly forbidden to touch the reagent at will to prevent overflow and splashing.
5. Clean up the operating table and equipment in time after use to avoid the influence of residue on the next operation.

To sum up, dinitrobenzene sulfonyl chloride has strong corrosiveness and toxicity in chemical reagents, so it should be used with great care. Only by strictly observing the precautions for use and the key points of safe operation can the experiment be carried out safely and smoothly. It is hoped that every person who uses dinitrobenzene sulfonyl chloride can keep in mind the safety first, achieve safe production and civilized production, and contribute to the safe and stable operation of the laboratory.