myo-Inositol trispyrophosphate (ITPP) hexa-triethylamine is a salt form of inositol triphosphate (ITPP). myo-Inositol trispyrophosphate hexa-triethylamine is a membrane-permeant hemoglobin allosteric regulator. myo-Inositol trispyrophosphate hexa-triethylamine enhances the oxygen release capacity of red blood cells by reducing the affinity of hemoglobin to oxygen. myo-Inositol trispyrophosphate hexa-triethylamine can be used in the study of cardiovascular disease and cancer.