Tolonium Chloride

CI-52040; Toluidine Blue; Blue O, Toluidine; Blue, Toluidine; CI 52040; CI52040; Chloride, Tolonium; O, Toluidine Blue
A phenothiazine that has been used as a hemostatic, a biological stain, and a dye for wool and silk. Tolonium chloride has also been used as a diagnostic aid for oral and gastric neoplasms and in the identification of the parathyroid gland in thyroid surgery.