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[Chemical Knowledge]：Specification for storage and transportation of DMC

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DMC in the field of chemical production of raw materials in the safety of storage and transportation specifications

1. Introduction

DMC (dimethyl carbonate) is a common chemical production of raw materials, widely used in synthetic fibers, plastics, pesticides, pharmaceuticals, fuels and other fields. However, because DMC has flammable, explosive, toxic and other characteristics, there are certain safety risks in the process of storage and transportation. Therefore, in order to ensure the safe storage and transportation of DMC, it is essential to formulate standardized storage and transportation specifications.

2. the physical and chemical properties of DMC

DMC is a colorless transparent liquid with a pungent odor. Its molecular formula is C3H6O3 and its molecular weight is 90.07. DMC has a high boiling point (90.2 ℃), low vapor pressure (20 ℃ for 1.33kPa), insoluble in water, but can be miscible with many organic solvents. In addition, DMC also has flammable, explosive, toxic and other characteristics, there is a certain degree of harm to the human body.

3. DMC safety storage specifications

1. The storage place should choose a dry, ventilated and cool place to avoid direct sunlight and high temperature.
2. The storage container should be made of stainless steel or carbon steel. Avoid using aluminum, copper and other metal containers to avoid corrosion reaction.
3. The storage site shall be equipped with fire-fighting equipment and leakage emergency treatment equipment to deal with emergencies.
4. During storage, the container and its sealing condition should be checked regularly to ensure that no leakage occurs.
5. Storage personnel should be professionally trained to understand the nature of DMC and safe operating procedures.

4. DMC transport specifications

1. Transport vehicles should comply with relevant standards, with explosion-proof, fire prevention and other safety facilities.
2. Keep running smoothly during transportation to avoid severe vibration and collision.
3. Transport personnel should be professionally trained to understand the nature of DMC and safe operating procedures.
4. During transportation, the goods shall be inspected regularly to ensure that no leakage occurs.
5. Avoid high temperature and open fire during transportation to avoid fire or explosion.

5. the toxicity of DMC and protective measures

DMC has certain toxicity, and has certain harm to human respiratory system, nervous system and skin. Therefore, in the process of contact with DMC, the following protective measures should be taken:

1. Wear protective clothing, gloves and goggles and other personal protective equipment to avoid skin contact and inhalation of DMC vapor.
2. Good ventilation should be maintained during operation to reduce the concentration of DMC vapor.
3. Conduct regular occupational health examination to discover and deal with occupational disease symptoms in time.

6. conclusion

DMC as a common chemical production raw material, its safe storage and transportation is very important. In order to ensure the safe storage and transportation of DMC, standardized storage and transportation measures should be taken, professional training of management and operation personnel should be strengthened, and safety awareness should be improved. At the same time, in the process of contact with DMC, effective protective measures should be taken to protect the health of operators.

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