BismarkbrownG Chemical Properties

EPA Substance Registry System

C.I. Basic Brown 1 (8005-77-4)

BismarkbrownG Usage And Synthesis

Chemical Properties

Brown powder. Easily soluble in water yellowish brown, slightly soluble in ethanol and ethylene glycol ether, insoluble in acetone, benzene, carbon tetrachloride. The dye is brown in concentrated sulfuric acid, and turns reddish brown after dilution. Orange solution in concentrated nitric acid turns yellow. There is no change in its aqueous solution with hydrochloric acid, and 10% sodium hydroxide produces an orange precipitate.

Definition

ChEBI: Basic brown 1 is a bis(azo) compound that is 1,1'-(1,3-phenylene)bis(diazene) in which both azene hydrogens are replaced by 2,4-diaminophenyl groups. A metachromatic dye which stains acid mucins yellow. It is also a constituent of Papanicolaou's EA solutions, used for cervical, and other smears. Its dihydrochloride salt is also a biological dye known as Bismark brown Y. It has a role as a fluorochrome and a histological dye. It is a bis(azo) compound, a member of azobenzenes, a tetramine and a substituted aniline.

BismarkbrownG(8005-77-4)Related Product Information

• COBALT(II) ACETYLACETONATE
• Cupric acetylacetonate
• TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)DYSPROSIUM(III)
• Benzyl isocyanide
• TERT-BUTYL ISOCYANIDE
• Tosylmethyl isocyanide
• Aluminum acetylacetonate
• DICHLORO(ETHYLENEDIAMINE)PLATINUM(II)
• Ethyl isocyanoacetate
• METHYL ISOCYANOACETATE
• 1,1,3,3-TETRAMETHYLBUTYL ISOCYANIDE
• Ferric acetylacetonate
• SALCOMINE
• PHENYLSELENOL
• Tris(2,4-pentanedionato)chroMiuM(III)
• TRIS(2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONATO)EUROPIUM(III)
• 2,4-PENTANEDIONE, SILVER DERIVATIVE
• BISMARCK BROWN Y