Acetonitrile

Acetonitrile Merck – Cat. No. 100017 (SupraSolv for GC, CH₃CN)

A colorless, volatile, highly flammable organic solvent used in gas chromatography (GC).

🔹 Physical and Chemical Properties:

• Chemical formula: CH₃CN
• Molar mass: 41.05 g/mol
• Boiling point: ~81.6 °C
• Density: ~0.786 g/cm³ (20 °C)
• Melting point: ~–45.7 °C
• Flash point: ~2 °C
• Flammability limits: 3.0–17% (vapor in air)
• Vapor pressure: ~97 hPa (20 °C)

🔹 Uses:

• Solvent for gas chromatography (GC)
• Sample preparation and extraction of organic compounds
• Research and industrial analytical applications

⚠️ Safety Notes:

• Highly flammable (H225)
• Harmful if swallowed, in contact with skin, or inhaled (H302 + H312 + H332)
• Causes eye irritation (H319)
• Work in well-ventilated areas
• Wear gloves, goggles, and protective clothing