What is the vapor pressure of sevoflurane?

The vapor pressure of sevoflurane is approximately 170 mmHg at 20°C. This is significant in practices involving anesthesia, as vapor pressure indicates how readily a substance can evaporate and enter the gaseous phase. A lower vapor pressure means that a larger volume of the liquid is needed to achieve the desired concentration of anesthetic gas in a closed circuit, which is crucial for its use in clinical settings.

Understanding vapor pressure is essential for anesthesiologists when calculating dosages and ensuring patient safety. A substance with a higher vapor pressure, such as halothane or isoflurane, would behave differently in terms of delivery and effects during anesthesia. Thus, accurately identifying the vapor pressure of sevoflurane aids in effective and safe anesthetic management.