Acetonitrile (CAS No. 75-05-8) is a clear, colorless liquid with a mild ether-like odor. As a highly versatile organic solvent, it has exceptional solubility in both organic and inorganic compounds, making it ideal for laboratory and industrial processes.
CAS 75-05-8 Acetonitrile ACN is commonly used as a reaction solvent, chemical intermediate, and extraction agent in pharmaceuticals, agrochemicals, and specialty chemical formulations.
Acetonitrile ACN Physical Properties
Molecular formula: C₂H₃N or CH₃CN
Molecular weight: 41.05 g/mol
Appearance: Colorless liquid
Boiling point: 81.3–82.1 °C
Melting/freezing point: -44 to -48 °C
Density: 0.786 g/mL (25°C)
Flash point: 5.5°C to 12.8°C (closed cup)
Vapor pressure: 72.8–94.51 hPa (20°C)
Solubility: Miscible with water, methanol, ethyl acetate, and diethyl ether
Dielectric constant: 37.5 (21°C)
Refractive index: 1.3441 (20°C)
Acetonitrile ACN Technical Specifications
| Copper | 0 ppm |
| Acrylonitrile | 0 ppm |
| Sensoric | Coloreless, limited liquid |
| Acetonitrile % wt | 99.91 |
| C2H5Na0 | (As CH3COOH) , (% wt) : 0.0018 |
| Distillation Range, °C (Initial Boiling Point - Dry Point): | 80.9 - 82.0 °C |
| Acetone | 0 ppm |
| Color, APHA; ASTM D 1209 | 5 APHA/Pt - Co |
| Propilonitrate | 415 ppm |
| Specific Gravity (20°C/4°C) | (20/20°C) : 0.783 |
| Free Amonia | 0 ppm |
| HCN | 2 ppm |
| Iron | 0 ppm |
| Color | colorless liquid |
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