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[Chemical Knowledge]：The harm of phthalic anhydride needs to be paid attention

Read： 1515 Time：18months ago Source：Transform the World with Simplicity

Phthalic anhydride is an organic compound with aromatic and carbonyl, which has good solubility and stability. It can be used to make polyimides, urea amides, amino acids or other organic synthesis intermediates. In addition, phthalic anhydride is also an important solvent, widely used in chemical, printing and dyeing, rubber, plastics, dyes, pesticides, pharmaceuticals and other industries.

However, phthalic anhydride also has certain hazards. First of all, phthalic anhydride is a carcinogen. Long-term exposure to phthalic anhydride will increase the risk of cancer and cause serious damage to human health. Secondly, phthalic anhydride has certain toxicity. Inhalation or ingestion of phthalic anhydride can cause nausea, vomiting, dizziness, fatigue and other uncomfortable symptoms, severe symptoms of poisoning. If high concentrations of phthalic anhydride are inhaled, it can also cause respiratory disease and even death. The harm of

phthalic anhydride not only affects human health, but also pollutes the environment. Phthalic anhydride has certain toxicity to aquatic organisms, and the pollution of soil and water will also cause irreversible damage to the natural ecological environment. Therefore, in the production and use of phthalic anhydride, we must maintain a high degree of vigilance and caution, and take scientific and effective measures to prevent phthalic anhydride from harming the human body and the environment.

In addition to complying with relevant laws and regulations, we can also reduce the harm of phthalic anhydride from the following aspects.

1. Choose low toxicity, low volatility alternatives, such as water-based coatings, detergents, etc.

2. When using phthalic anhydride, the required operating procedures and conditions of use must be strictly observed.

3. During the production, transportation and storage of phthalic anhydride, safety measures must be taken to ensure that phthalic anhydride will not leak or evaporate.

4. When dealing with phthalic anhydride waste, it is necessary to choose the correct treatment method to avoid secondary pollution to the environment.

To sum up, phthalic anhydride is a common chemical substance and has important application value in many fields. However, we must also deeply understand and understand the dangers of phthalic anhydride, and take appropriate protection and measures to protect human health and the natural environment.

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