Melanin (alcohol soluble) / alcohol yuan / oil soluble black 5 / alcohol soluble nigrosin

English name：Nigrosine alcohol soluble；Nigrosin spirit soluble；Nigrosin B spirit soluble；Oil soluble black；C.I. 50415

Other names: alcohol yuan; Oil soluble black 5; Alcohol soluble niclosin; Essence; Amine black; Alcohol soluble black; Alcohol black; Alcohol soluble aniline black; Oil soluble aniline black; Alcohol soluble melanin

CAS No.: 8005-02-5

Grade: BS

Biological staining test: qualified

Physicochemical properties: gray black to blue black powder or block. It is obtained by burning aniline, aniline hydrochloride, nitrobenzene and iron or copper to 180-200 ℃, or various components of nitrophenol (nitrocresol), aniline, aniline hydrochloride and iron. It is soluble in oleic acid and stearic acid, soluble in acetone, red purple in gasoline, blue purple in benzene, and dark blue in ethanol and oil. Insoluble in water. The maximum absorption wavelength is 565nm.

Purpose: biochemical research. Biological staining. Staining of central nervous tissue, pancreatic tissue, cell spores, etc

Saving: RT