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[Chemical Knowledge]：n-Butyl acetate. Nature and use

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n-Butyl acetate is an important organic chemical raw material, which is widely used in paint, printing ink, leather, medicine, spices and other fields. This article will detail the properties and uses of n-butyl acetate.

1. the nature of n-butyl acetate

n-butyl acetate is a colorless transparent liquid, with elegant fruit flavor. It is not easily soluble in water, but it is miscible with organic solvents such as alcohols and ethers. n-Butyl acetate has a boiling point of 126.1°C, a density of 0.8826 g/cm and a flash point of 22°C. It has strong volatility and solubility, and can dissolve many organic compounds.

In addition, n-butyl acetate also has the following chemical properties:

1. n-Butyl acetate is prone to hydrolysis under acidic conditions to generate acetic acid and n-butanol.

2. Under alkaline conditions, n-butyl acetate is prone to alcoholysis to produce n-butanol and acetate.

3. n-Butyl acetate can also occur oxidation, reduction, polymerization and other reactions.

2. The use of n-butyl acetate

1. Coating industry

n-Butyl acetate is an excellent solvent that can dissolve many resins and pigments, so it is widely used in the coating industry. It can be used as the main solvent of the coating, improve the leveling and gloss of the coating, and make the coating more uniform and smooth.

2. printing ink

n-butyl acetate is also a common ink solvent, can improve the fluidity and dryness of the ink, making the print more clear, bright.

3. Leather industry

In the leather industry, n-butyl acetate can be used as a processing aid for degreasing, dehydration and softening of leather to improve the quality and feel of leather.

4. Pharmaceutical Industry

n-Butyl acetate is used in the pharmaceutical industry as a drug extractant and solvent for the manufacture of certain drugs and pharmaceuticals.

5. perfume industrial

n-butyl acetate has elegant fruit flavor, so it is also used in the perfume industry, as one of the components of the flavoring agent.

In short, n-butyl acetate, as an important organic chemical raw material, has been widely used in coatings, printing inks, leather, medicine, spices and other fields.

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