Xenon Xe 133
(zee' non).

Xenon, isotope of mass 133.
Xenon, isotope of mass 133 [14932-42-4].
» Xenon Xe 133 is a gas suitable for inhalation in diagnostic studies. Xenon 133 is a radioactive nuclide that may be prepared from the fission of uranium 235. It contains not less than 85.0 percent and not more than 115.0 percent of the labeled amount of 133Xe at the date and time indicated in the labeling.
Packaging and storage— Preserve in single-dose or in multiple-dose vials having leak-proof stoppers, at room temperature.
Other requirements— It meets the requirements for Labeling, except for the information specified for Labeling under Injections; for Radionuclide identification; and for Radionuclidic purity and Assay for radioactivity under Xenon Xe 133 Injection, except to determine the radioactivity in MBq (mCi) per container.
Auxiliary Information— Please check for your question in the FAQs before contacting USP.
Topic/Question Contact Expert Committee
Monograph Ravi Ravichandran, Ph.D.
Principal Scientific Liaison
1-301-816-8330
(SM42010) Monographs - Small Molecules 4
USP35–NF30 Page 5047