This Tetrahydrofuran, available in a 25-liter tinplate container, falls under the category of Green Alternatives within our solvent selection. It is an oxygen heterocycle with a Molecular Weight of 72.11 g/mol. In the workplace, it requires various safety measures as indicated by the Prohibition, Warning, Precept, and Caution labels. The recommended indicative occupational exposure limit values for the European Union are 8 hours limit value: 150 mg/m3 (50 ppm), and short term limit value: 300 mg/m3 (100 ppm).

• 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]