Water Blue (CI no. 42780) – Powder

Water Blue (CI No. 42780), available as a powder, is a synthetic dye commonly used in biological and medical laboratory applications. Water blue belongs to the thiazine dyes and is characterized by its high affinity to basic (alkaline) tissue components. It binds preferentially to nucleic acids and other basic structures, staining them blue, which facilitates the differentiation and identification of these structures under the microscope. In its powder form, Water Blue can be easily dissolved to the desired concentration to meet the specific requirements of various staining or labeling protocols.