Distillation Method For The Purification Of Sevoflurane And The Maintenance Of Certain Equipment That May Be Used In The Distillation Process

摘要

Processes for preparing commercial quantities of a stable, pharmaceutically acceptable sevoflurane substantially tree of impurities are claimed. In another embodiment, a process for removing reactive metal, salts from the surface of metallic equipment used in the distillation of sevoflurane and rendering a non-inert metallic surface of the metallic equipment inert.