This product is Methanol, a reference substance for gas chromatography (GC), categorized under Reference Substances for GC. It belongs to the Alcohols substance group with a Molecular Weight of 32.04 g/mol. In the workplace, it requires various safety measures due to its flammability and toxicity. The Prohibition label, No open flame; fire, open ignition sources and smoking prohibited, No admittance for unauthorized persons, No eating and drinking, Warning label, Caution - inflammable material, Caution - toxic material, Precept label, Use safety goggles, Wear safety gloves, and Directive 2006/15/EC are applicable. The recommended indicative occupational exposure limit value for the European Union is an 8-hour limit value of 260 mg/m3 (200 ppm).

• CAS Number: 67-56-1
• Molecular Formula: CH4O
• Molecular Weight: 32.042
• Exact Mass: 32.026214747
• Boiling Point: 148.3 °F at 760 mmHg (NTP, 1992)
• Melting Point: -144 °F (NTP, 1992)
• Vapour Density: 1.11 (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]
• H351 (100%): Suspected of causing cancer [Warning Carcinogenicity]