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[Chemical Knowledge]：Big difference revealed! Acrylic and styrene, do you really understand?

Read： 615 Time：14months ago Source：Transform the World with Simplicity

Acrylic acid and styrene are two common chemicals that are widely used in industry and life. They have different characteristics and application areas, and the following will explain their differences in detail.

1. chemical structure:
acrylic acid has the chemical formula CH2 = CH-COOH, which is a colorless liquid. The chemical formula of styrene is C6H5-CH = CH2, is a colorless liquid or white crystal. From the chemical structure, acrylic and styrene have obvious difference.

2. physical properties:
1. Acrylic acid has a pungent odor, low density, melting point of 14 ℃, boiling point of 141 ℃. It is soluble in water and can react with a variety of organic compounds to form polymers.
2. Styrene aroma, density, melting point of -31 ℃, boiling point of 145 ℃. It has little solubility in water and can react with many substances to generate various organic compounds.

3. applications:
1. Acrylic acid is widely used in construction, textile, pharmaceutical and other fields. It can be used as a basic chemical for the synthesis of acrylate resins, polypropylene, etc. Acrylic acid can also be used to prepare products such as dyes, coatings, and plastics.
2. Styrene is mainly used for the synthesis of polystyrene (PS), which is a common plastic raw material. Polystyrene has good impact resistance and transparency, and is widely used in electronics, packaging, construction and other fields.

4. environmental impact:
1. Acrylic acid has certain toxicity and may cause certain harm to the environment. However, acrylic acid may be completely polymerized in some polymerization reactions, reducing its environmental risk.
2. Styrene may release volatile organic compounds in the process of production and use, which may have a certain impact on the environment and human health. Therefore, it is necessary to pay attention to environmental protection and safety when using styrene.

To sum up, there are obvious differences between acrylic acid and styrene in chemical structure, physical properties, application fields and environmental impact. In practical applications, we need to choose the right chemicals according to specific needs to ensure the safety and environmental protection of production and life.

[Note] The above content is for reference only. For more detailed and accurate information, please consult professional chemists or institutions.