Aniline blue (water soluble) / aniline blue water soluble / acid blue 22 / water soluble blue

English name： Aniline blue water soluble；Aniline blue sodium salt(water soluble)；Aniline blue ws；Soluble blue；Marine blue；Cotton blue；Water blue；C.I. 42755

Other name: aniline water soluble; Acid blue 22; Water soluble blue; China blue; Celadon; Soluble blue; Alcohol soluble blue

CAS No.: 28631-66-5

C32H25Na2N3O9S3=737.72

Grade: BS

Biological staining test: qualified

Physicochemical properties: blue powder. Soluble in water, slightly soluble in ethanol. The aqueous solution is blue, the hydroxide solution is brownish red, and the concentrated sulfuric acid is red yellow. After dilution, blue precipitates are precipitated. λ Max: 594 - 610 nm (in pH 3 aqueous solution); Absorpt Ratio P-15/P+15：0.96～1.09

Purpose: biochemical research. Biological stain. Used for staining nerve tissue, cells and connective tissue. Acid base indicator

Save: RT, protected from light