Acetonitrile (CAS 75-05-8), commonly referred to as methyl cyanide or ethanenitrile, is a widely used polar aprotic solvent in chemical and industrial applications. Due to its strong dissolving capability, low viscosity, and moderate volatility, acetonitrile has become an essential process solvent in sectors such as pharmaceuticals, analytical laboratories, electronics manufacturing, and fine chemical production.
Acetonitrile is an organic solvent characterized by its non-flammability and low toxicity. It has a distinctive sweet smell, colorless liquid appearance, and high boiling point. It is widely used as a chemical intermediate in the production of pharmaceuticals, agrochemicals, dyes, plastics, and other materials.
- CH3CN solvent
- Acetonitrile CAS 75-05-8
Acetonitrile (CAS 75-05-8) Solvent Properties
Acetonitrile is a polar aprotic solvent, meaning it dissolves a wide range of polar and moderately non-polar compounds without donating hydrogen bonds. This makes it especially effective for:
- Nitrogen-containing compounds
One of the most valuable solvent properties of acetonitrile is its full miscibility with water in all proportions. This characteristic is essential for:
- Aqueous-organic reaction systems
- Moderate boiling point (≈81.6 ℃), allowing fast evaporation and easy solvent recovery
- These features reduce energy consumption and processing time in industrial operations.
Under neutral conditions, acetonitrile is chemically stable and compatible with many reagents, making it suitable for controlled reactions, analytical methods, and long-term storage when handled properly.
Applications Of Acetonitrile (CAS 75-05-8) Solvent
Acetonitrile (CAS 75-05-8), as a polar organic solvent, has extensive applications. Below are several common application areas:
Acetonitrile serves as a common solvent and dehydrating agent in numerous organic synthesis reactions.
Acetonitrile is a widely used solvent in the pharmaceutical industry, employed in the production of antibiotics, hormones, vitamins, drug intermediates, and more.
During metal surface processing, acetonitrile forms complexes with impurity ions in metals, facilitating the removal of surface contaminants and pollutants.
Acetonitrile also serves as a solvent or reaction intermediate for dyes, coatings, plastics, rubber, textiles, and more. Additionally, it is used for sample pretreatment in instrumental analyses such as gas chromatography, NMR, and infrared spectroscopy.
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