The organic solvent Diethyl Ether, categorized under ROTIDRY® Dried Solvents without septum, is an ethoxyethane with a Molecular Weight of 74.12 g/mol. It belongs to the substance group of Ethers. In accordance with Directive 2000/39/EC, recommended indicative occupational exposure limit values for the European Union have been established: an 8-hour limit value of 308 mg/m3 (100 ppm) and a short-term limit value of 616 mg/m3 (200 ppm). Safety measures such as wearing safety goggles and gloves, and prohibiting open flames, are essential when handling this highly flammable material.

• CAS Number: 60-29-7
• Molecular Formula: C4H10O
• Molecular Weight: 74.12
• Exact Mass: 74.073164938
• Boiling Point: 94.3 °F at 760 mmHg (NTP, 1992)
• Melting Point: -177.3 °F (NTP, 1992)
• Vapour Density: 2.6 (NTP, 1992) - Heavier than air; will sink (Relative to Air)
• GHS Signal Word: Danger
• Hazard Statements:
• H224: Extremely flammable liquid and vapor [Danger Flammable liquids]