Hi-Di™ Formamide is a highly de-ionized formamide, formulated with a stabilizer, for use as an injection solvent on Applied Biosystems® 3500 Dx Series genetic analyzers. This highly deionized formamide is used to resuspend samples before electrokinetic injection in capillary electrophoresis systems and is appropriate for all applications. It is provided in a 5 mL bottle format to minimize freeze-thaw cycles.