... .grade:99.9%~99.999% Sold by the Liter - Any quantity custom filled. Xenon is a colorless, odorless, nontoxic, nonflammable gas. ... the atomic number 54.3. Xenon is obtained commercially as a byproduct of the separation of air into oxygen and nitrogen ... , followed by distillation. A colorless, odorless, inert compressed gas. Molecular Weight: 131.3Safety ...