Nitric oxide (NO) donor. Generates both superoxide anion and nitric oxide that spontaneously form peroxynitrite. Platelet aggregation inhibitor. Guanylyl cyclase activator. Cytotoxic. Positive ionotropic. Vasodilator.Solubility (>5mg/ml):Ethanol (100%), water or DMSOMethod for Determining Identity:Proton NMRStorage and Stability:Lyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Prepare fresh as needed. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.