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[Chemical Knowledge]：What are the dangerous chemicals? Be alert to the chemical hazards around

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Chemicals play an important role in our lives. From ubiquitous detergents and cosmetics to pharmaceuticals, plastics and pesticides, chemicals are used in a wide range of applications. However, with the rapid development of industrial production and people's pursuit of science and technology, chemicals that have not been properly used and stored have also had a serious impact on our lives. These chemicals are often referred to as hazardous chemicals.

hazardous chemicals refer to those chemicals that are harmful to people and the environment. These chemicals may be released under normal use or in the event of an accident, resulting in a threat to human health. There are many types of hazardous chemicals, and here we will introduce some common hazardous chemicals.

1. Organic solvent

Organic solvent is a common hazardous chemical and is widely used in industry and medicine. However, excessive exposure to organic solvents can cause symptoms such as eyes, nose, throat, headaches and dizziness. In addition, long-term exposure may also cause poisoning and may cause cancer.

2. heavy metal

heavy metal refers to the higher density of metal elements. Among them, lead, mercury and cadmium and other heavy metals have very serious harm to human health. For example, long-term exposure to lead can cause damage to the nervous system, blood system and organs, and even lead to memory loss and mental retardation. Mercury can cause damage to the lungs and central nervous system in some cases.

3. Chlorine

Chlorine is a common industrial chemical that is widely used in water treatment, disinfection and bleaching. However, long-term exposure to chlorine may cause respiratory, eye and nose problems, and may even cause pulmonary edema and suffocation.

4. Asbestos

Asbestos is a natural product, often used in building materials, electrical insulation, automobile manufacturing and other fields of insulation and protection. However, long-term exposure to asbestos can cause serious health problems. Asbestos fibers inhaled into the lungs can cause serious lung disease and cancer.

5. Ethylene oxide

Ethylene oxide is a toxic gas that is widely used in the manufacture of materials such as polyurethanes and polyethers. Exposure to ethylene oxide can cause respiratory disease and skin irritation. At higher concentrations, ethylene oxide may also cause symptoms such as insomnia, headache, drowsiness and poisoning. In order to avoid the adverse effects of the use and storage of hazardous chemicals,

must take necessary measures when using hazardous chemicals, including measures to strengthen storage, management of chemical storage facilities, and correct transportation, to ensure that personnel using hazardous materials have the necessary training and skills to ensure that their behavior meets the requirements of safe operation procedures.

In short, hazardous chemicals often play an important role in our lives, but they must be used and stored carefully to ensure our health and the safety of the environment. We should strengthen the awareness and understanding of hazardous chemicals, so as to better prevent and reduce the harm.