What is CAS 75-05-8 Acetonitrile solvent?
Acetonitrile (CAS 75-05-8) is a chemical solvent with the chemical formula CH₃CN. Also known as Acn or methyl cyanide (MeCN). It is a colorless liquid with a pungent odor at room temperature. Acetonitrile has high solubility and volatility, making it widely used in chemical, pharmaceutical, metallurgical, and other industrial sectors.
| CAS NO. | 75-05-8 | Formula | C2H3N |
| EINECS NO. | 200-835-2 | Molecular weight | 41.052 |
| Melting point | -45 ℃ | HS CODE | 2926909090 |
| Boiling point | 81 ~ 82 ℃ | Critical temperature | 274.7℃ |
| Density | 0.786 g/cm³ | UN NO. | 1648 |
| Appearance | Colorless transparent liquid | CLASS | 3 |
| Flash point | 12.8 ℃(CC) | Solubility | Miscible with water, soluble in most organic solvents such as ethanol and ether |
what is Acetonitrile ACN Solvent used for?
1. Chemical Engineering and Materials Industry
This is the most fundamental application field of acetonitrile, where it mainly functions as a solvent and reaction medium.
- As an organic synthesis solvent: Acetonitrile chemical is used in the production of chemical products such as acetophenone and fatty acids. It can dissolve a variety of organic compounds and improve reaction efficiency.
- As an extractant: In the petrochemical industry, it is used to separate butadiene and extract high-purity butadiene from C4 fractions (butadiene is a key raw material for manufacturing rubber and plastics).
- As a chromatographic analysis solvent: It is used as a mobile phase in high-performance liquid chromatography (HPLC) and is often applied to detect harmful substances in food and environmental samples.
2. Pesticide Industry
Acetonitrile C2h3n is a "key auxiliary agent" in pesticide synthesis, and it is irreplaceable especially in the production of high-purity products.
In the field of pesticide synthesis: Solvent Acetonitrile is used to manufacture herbicides (e.g., atrazine) and insecticides. It helps dissolve and react the active ingredients, thereby improving the stability and efficacy of pesticides.
3. Electronics and Semiconductor Industry
- As a semiconductor cleaning agent: High-purity acetonitrile (electronic grade) can clean oil stains and impurities on the surface of semiconductor chips.
- As an additive for lithium battery electrolytes: When added in small amounts to lithium battery electrolytes.
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