Acetonitrile (ACN) is a colorless, transparent, volatile liquid with a pungent odor. As a vital organic solvent and chemical feedstock, acetonitrile plays a critical role across multiple industrial sectors.
Acetonitrile Formula
The chemical formula of acetonitrile is CH3CN, and its molar mass is 41.05 g/mol. Scientists categorize it as a nitrile, CN, composed of one carbon atom triple bonded to a nitrogen atom and with a methyl group (-CH3) of three hydrogen atoms attached. The bond angle between the methyl group carbon, the central atom, and the nitrogen atom is 180°. Thus, its condensed formula is C2H3N, with its corresponding chemical structure being:
Physical properties of Acetonitrile
- It has the appearance of a colorless, transparent liquid with a pleasant aroma.
- It's a low-density base with a density of 0.783 g/cm3.
- The melting point is -46 to -44 degrees Celsius, while the boiling temperature is 81.3 to 82.1°Celsius.
- In water, it is miscible.
Chemical properties of Acetonitrile
It's a nitrile (hydrogen cyanide) in which the hydrogen is replaced with a methyl group. It's also a polar molecule, which implies that its atoms may attract electrons to themselves. In addition, the nitrogen atom has a higher electronegative charge than the carbon atom.
Acetonitrile (ACN) Uses
Pharmaceutical Industry
Acetonitrile (ACN) serves as a critical solvent in synthesizing antibiotics, vitamins, and other pharmaceuticals. It is particularly utilized as a mobile phase in high-performance liquid chromatography (HPLC) for drug purification and analysis.
Chemical Separation
In the extraction of butadiene from C4 hydrocarbons, acetonitrile (ACN) achieves highly efficient separation via extraction distillation, attaining purities exceeding 99%. Additionally, acetonitrile is employed to separate acetonitrile-toluene azeotropes, optimizing fine chemical processes.
Electronics Industry
High-purity acetonitrile serves as a cleaning agent for electronic components, widely applied in semiconductor and LCD panel manufacturing to meet the stringent requirements of cleanroom environments.
Pesticides and Agrochemicals
As an intermediate in pesticide synthesis, ACN is indispensable in the production of herbicides and insecticides.
Gneebio: A Trusted Bulk Supplier & Distributor
As a leading manufacturer and exporter of fine chemicals, Henan Gneebio supplies Acetonitrile (CAS 75-05-8) that meets both industrial- and laboratory-grade standards. We serve customers across the rubber, adhesives, and coatings industries, ensuring consistent quality, reliable logistics, and professional technical support.
Our Advantages:
- ISO9001 / ISO14001 / GMP certification available
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- Support for COA / MSDS / TDS / SGS testing
- Compliant with EU REACH requirements
- Stable exports to Southeast Asia, South America, Middle East, and Africa markets
- Single batch supply ≥20-200 MT, annual contracts supported
