The chemical substance identified as Acetonitrile, with CAS Number 75-05-8, belongs to the category of Reference Substances for Gas Chromatography (GC). It falls under the group of Nitriles and has a Molecular Weight of 41.05 g/mol. In the workplace, this compound is subject to various safety measures, including the use of safety goggles and gloves, and the prohibition of open flames, smoking, and unauthorized entry. The recommended indicative occupational exposure limit value for the European Union is 8 hours limit value: 70 mg/m3 (40 ppm), according to Directive 2006/15/EC.

• CAS Number: 75-05-8
• Molecular Formula: C2H3N
• Molecular Weight: 41.05
• Exact Mass: 41.026549100
• Boiling Point: 178.9 °F at 760 mmHg (NTP, 1992)
• Melting Point: -49 °F (NTP, 1992)
• Vapour Density: 1.42 (NTP, 1992) - Heavier than air; will sink (Relative to Air)
• GHS Signal Word: Danger
• Hazard Statements:
• H225: Highly Flammable liquid and vapor [Danger Flammable liquids]