PRODUCT LITERATURE
Sevoflurane: Are There Differences in Products?
Sevoflurane is currently available in the United States from two manufacturers: Ultane (Abbott Laboratories, Inc.) and a generic product, Sevoflurane Inhalation Anesthetic (Baxter Healthcare Corp.). These products are rated therapeutically
equivalent by the Food and Drug Administration, but there are some differences. Ultane is made in a single-step synthetic process and generic sevoflurane is manufactured using a three-step process. Ultane contains 300 ppm water and generic sevoflurane contains 130 ppm water. Ultane is supplied in a plastic polyethylene naphthalate polymer bottle, while generic sevoflurane is supplied in
lacquer-lined aluminum bottles. The manufacturing processes and impurities, sevoflurane degradation resulting from Lewis acid reactions, and suitability of nonglass containers for sevoflurane are discussed.
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