The Instruction of Ethylenethiourea

Ethylenethiourea (ETU) is an organic compound with the chemical formula C2H6N2S2.
It is a colorless liquid with a strong, unpleasant odor.
ETU is used in the chemical industry as a reagent for the production of various chemicals, such as thiurams, thiocarbamides, and trihalides.
It is also used as a catalyst in the polymerization of some polymers, such as polyurethanes and polyureas.

In the chemical industry, the use of ETU requires careful handling and specific instructions.
The following are some guidelines for the safe handling and use of ETU in the chemical industry:

1. Storage: ETU should be stored in a cool, dry place, away from direct sunlight and sources of ignition.
   It should be stored in a well-ventilated area, as the vapors of ETU can be flammable and toxic.
   The container should be tightly sealed to prevent leakage.
   
2. Handling: ETU should be handled with care to avoid contact with the skin, eyes, or clothing.
   It is recommended to wear protective gloves, goggles, and appropriate clothing when handling ETU.
   It is also important to handle ETU in a well-ventilated area, as the vapors can be toxic.
   The use of mechanical means, such as pumps, is recommended to transfer ETU to avoid splashing.
   
3. Reacting: ETU can react violently with strong acids and oxidizing agents.
   It is therefore important to avoid contact with these reagents.
   It is also important to ensure adequate ventilation during the reaction, as the products of the reaction can be toxic.
   
4. Disposal: The disposal of ETU should be done in accordance with local regulations and guidelines.
   It is recommended to dispose of ETU in a secure, designated area, away from sources of ignition and water.
   The container should be tightly sealed to prevent leakage.
   

In conclusion, the use of Ethylenethiourea in the chemical industry requires careful handling and specific instructions to ensure the safety of workers and the environment.
It is important to follow the guidelines set forth by the manufacturer and local regulations when handling ETU.
Proper storage, handling, reacting, and disposal of ETU will minimize the risk of accidents and ensure the safe use of this important chemical reagent.