Basic Brown 1 (Bismarck Brown Y) (10114-58-6)

Basic Brown 1 or Bismarck Brown Y Chemical Structure

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What is Basic Brown 1 (Bismarck Brown Y)?

Basic Brown 1 also called Bismarck Brown Y, is a metachromatic dye, and it leaves acid mucins with a yellow stain. It is also used as a fluorochrome and an allergen in addition to being a histology dye. It was one of the earliest azo dyes, being described in 1863 by German chemist Carl Alexander von Martius.

Macsen Laboratories is the leading manufacturer and supplier of Basic Brown 1 (Bismarck Brown Y) with ISO certification.
PRODUCT SPECIFICATIONS
Name of Product Basic Brown 1/ Bismarck Brown Y
IUPAC Name 4-[[3-[(2,4-diaminophenyl)diazenyl]phenyl]diazenyl]benzene-1,3-diamine;dihydrochloride
Synonyms Bismark Brown Y; Bismarck Brown Y; Phenylene Brown; C.I. Basic Brown 1, dihydrochloride; Vesuvine G; Marron basique 1
CAS No 10114-58-6; 8005-77-4
Molecular Formula C18H18N8.2HCl
Molecular Weight 419.3 g/mol
Color Index No 21000
Pubchem CID 82360

CHEMICAL PROPERTIES

SR. No Criteria Limit/Specification
1 Appearance (Form) Solid Powder
2 Appearance (Color) Dark purple to blackish-brown
3 Odor Odorless
4 Melting Point >220 °C (dec)
5 Solubility Soluble in Water and Alcohol

Uses

  • The Bismarck Brown Y or Basic Brown 1 stain is used to stain mucins, cartilage, and goblet cells.
  • Bismarck brown Y is one of the components of Papanicolaou stain.
  • It is used for the coloring of wool, silk, leather, paper, bamboo, and wood.
  • Additionally, it is employed in the production of color and solvent dye deposit.
  • In the process of staining acid-fast bacteria, it is also possible to utilize it as a counterstain for Victoria blue R.

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