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[Chemical Knowledge]：2-Methacrolein; Properties and Uses

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2-Methacrolein is an important organic compound, which is widely used in the field of chemical production raw materials. It has special chemical and physical properties, can be used to manufacture a variety of chemicals, and has important industrial application value.

1. the properties of 2-methacrolein

1. Physical properties
2-methacrolein is a colorless transparent liquid with a strong pungent odor. It has a boiling point of 50-51°C, a density of 0.847g/cm³, a refractive index of 1.404, and is insoluble in water, but miscible with many organic solvents.

2. chemical properties
2-methacrolein contains carbon-carbon double bonds and aldehyde groups in its molecular structure, so it has strong reactivity. It can occur addition reaction, oxidation reaction, reduction reaction, polymerization reaction and other chemical reactions, generating a variety of derivatives.

2. the use of 2-methacrolein

1. Manufacturing spices and flavors
2-methacrolein can be used to manufacture a variety of spices and flavors, such as citral, vanillin, etc., widely used in food, beverages, cosmetics and other fields.

2. Manufacture of pharmaceutical intermediates
2-methacrolein can be used as pharmaceutical intermediates for the manufacture of antibacterial drugs, anti-inflammatory drugs, anti-tumor drugs and other drugs.

3. Manufacturing polymer monomer
2-methacrolein can be used as a polymer monomer, and other monomers copolymerized to generate a variety of polymers, such as acrylic resin, polyurethane, etc.

In conclusion, as an important organic compound, 2-methacrolein has a wide range of applications in the field of chemical production raw materials.

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