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What Are the Physical and Chemical Properties of Acetonitrile?

Jan 29, 2026 Leave a message

the Physical Properties of Acetonitrile

Appearance: Clear, colorless liquid

Odor: Mild, ether-like odor

Melting Point: -45°C (-49°F)

Boiling Point: 81.6°C (179°F)

Density: 0.786 g/cm³ at 20°C

Viscosity: 0.37 mPa·s at 25°C

Solubility in Water: Miscible

Flash Point: 6°C (43°F) (Closed cup)

Refractive Index: 1.344 at 20°C

 

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The Chemical Properties of Acetonitrile

Polar Aprotic Solvent: Excellent at dissolving both organic and inorganic compounds due to its high polarity and inability to donate hydrogen bonds.

 

Stability: Stable under normal, dry conditions. It is not prone to rapid hydrolysis.

 

Reactivity:

  • Hydrolysis: Can be hydrolyzed to acetamide and acetic acid in the presence of strong acids or alkalis.
  • Reduction: Can be reduced to ethylamine.
  • Incompatibilities: Reacts violently with strong oxidizing agents, acids, bases, and reducing agents.

 

Combustibility: Highly flammable liquid and vapor.

 

What Is Acetonitrile CAS 75-05-8 Used for?

  • CAS 75-05-8 Acetonitrile is used as a solvent in the extraction process of hydrocarbons.
  • It is used to separate fatty acids from vegetable oil.
  • Used in making perfumes.
  • It is widely used in the production of synthetic pharmaceuticals.
  • It is used in the manufacturing of rubber.
  • It is used in refining as well as extraction of copper.
  • Used as a solvent in electrochemical cells.

 

 

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Other Hot-Selling Products

 

CAS 64-19-7 Acetic acid/Glacial Acetic Acid; CAS 75-05-8 Acetonitrile; CAS 67-68-5 Dimethyl Sulfoxide (DMSO); CAS 67-63-0 Isopropyl alcohol (IPA); CAS 95-47-6 o-Xylene; CAS 106-42-3 p-Xylene; CAS 75-09-2 Dichloromethane (DCM).

 

 

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