Methanol, with CAS Number 67-56-1, is a solvent categorized under Solvents for LC-MS. It belongs to the Alcohols substance group and has a Molecular Weight of 32.04 g/mol. In the workplace, Methanol requires various safety measures such as no open flames, no eating and drinking, use of safety goggles, and wearing safety gloves. The recommended indicative occupational exposure limit value for the European Union is an 8-hour limit value of 260 mg/m3 (200 ppm), as per Directive 2006/15/EC.

• 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]