Patent ID: 6946298

Claim:
A one component Karl Fischer reagent having increased stability and homogeneity comprising iodine and a base comprising imidazole and a substituted imidazole, wherein the substituted imidazole is selected from the group consisting of 2-methylimidazole, 2-ethylimidazole, 2-propylimidazole, 2-butylimidazole, 1,2-dimethylimidazole, 1,2,4-trimethylimidazole, and 2-phenylimidazole; wherein the molar ratio of imidazole to substituted imidazole is from about 0.5:1.5 to about 1.5:0.5; and wherein the reagent is suitable for use as a one component reagent in volumetric Karl Fischer titrations.