INT dissolves in water to give a clear light yellow to light green solution at 4 mg/mL, although gentle heat and sonication are necessary for this concentration. INT dissolves up to 8 mg/mL in ethanol, and up to 30 mg/mL in ethylene glycol monomethyl ether. Aqueous solutions are reported to be stable for several weeks when stored at 2-8°C in the dark.