Basic Information of sec-Butanol | CAS No.: 78-92-2

Time:Aug 26,2026
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Product Overview

sec-Butanol, also known as 2-Butanol or sec-Butyl Alcohol, is a colorless, transparent, and flammable liquid with a characteristic alcohol odor. With the molecular formula C₄H₁₀O and a molecular weight of 74.12 g/mol, sec-Butanol is an important industrial solvent and chemical intermediate widely used in various chemical applications.

Physicochemical Properties

sec-Butanol has good solvency and volatility. It has a boiling point of approximately 99.5°C, a melting point of approximately -115°C, and a density of about 0.81 g/cm³ at 20°C. It is compatible with a wide range of organic solvents and has limited solubility in water, making it suitable for various industrial processes and chemical formulations.

Main Applications

sec-Butanol is widely used as an industrial solvent in coatings, paints, adhesives, cleaning agents, and other chemical formulations. It is also an important chemical raw material and can be used in the production of methyl ethyl ketone (MEK). In addition, sec-Butanol finds applications in pharmaceuticals, fine chemicals, and organic synthesis.

Industrial Application Value

With its good solvency, suitable volatility, and compatibility with a wide range of organic compounds, sec-Butanol offers significant value in industrial chemical applications. It can be used directly as a solvent or as an important intermediate in the production of various downstream chemical products.

Storage and Transportation

sec-Butanol is a flammable liquid and should be stored in a cool, dry, and well-ventilated area, away from heat sources, sparks, open flames, and incompatible substances. During storage, loading, unloading, and transportation, appropriate fire prevention, anti-static, ventilation, and sealing measures should be implemented in accordance with applicable safety regulations.

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