This Tetrahydrofuran, available in a 500 mL glass container, falls under the category of Green Alternatives. It is an oxygen heterocycle with a molecular weight of 72.11 g/mol. In the workplace, it requires various safety measures such as no open flames, no unauthorized personnel, caution against inflammability, use of safety goggles, and wearing safety gloves. The European Union has recommended an occupational exposure limit value of 150 mg/m3 (50 ppm) for an 8-hour workday and 300 mg/m3 (100 ppm) for short-term exposure.

• CAS Number: 109-99-9
• Molecular Formula: C4H8O
• Molecular Weight: 72.11
• Exact Mass: 72.057514874
• Boiling Point: 151 °F at 760 mmHg (NTP, 1992)
• Melting Point: -163.3 °F (NTP, 1992)
• Vapour Density: 2.5 (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]
• H315: Causes skin irritation [Warning Skin corrosion/irritation]