The ROTIDRY® solvent without septum, identified as 1,4-Dioxane with CAS Number 123-91-1, falls under the category of Oxygen heterocycles. It has a Molecular Weight of 88.11 g/mol. In the workplace, it is labeled with various warnings such as "Prohibition label," "No open flame; fire, open ignition sources and smoking prohibited," "No admittance for unauthorized persons," "No eating and drinking," "Caution - inflammable material," "Use safety goggles," "Wear safety gloves," and more. The European Union has recommended an indicative occupational exposure limit value of 73 mg/m3 (20 ppm) for 8 hours. This substance requires careful handling due to its flammability and potential carcinogenicity.

• CAS Number: 123-91-1
• Molecular Formula: C4H8O2
• Molecular Weight: 88.11
• Exact Mass: 88.052429494
• Boiling Point: 214 °F at 760 mmHg (NTP, 1992)
• Melting Point: 53.2 °F (NTP, 1992)
• Vapour Density: 3.03 (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]
• H350: May cause cancer [Danger Carcinogenicity]