DESCRIPTION
TRISENOX® is a sterile injectable solution of arsenic trioxide. The molecular formula of the drug substance in the solid state is As2O3, with a molecular weight of 197.8 g.
TRISENOX® is available in 10 mL, single-use ampules containing 10 mg of arsenic trioxide. TRISENOX® is formulated as a sterile, nonpyrogenic, clear solution of arsenic trioxide in water for injection using sodium hydroxide and dilute hydrochloric acid to adjust to pH 8. TRISENOX® is preservative-free. Arsenic trioxide, the active ingredient, is present at a concentration of 1.0 mg/mL. Inactive ingredients and their respective approximate concentrations are sodium hydroxide (1.2 mg/mL) and hydrochloric acid, which is used to adjust the pH to 7.5-8.5.
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