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Basic Brown 1

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For Research Use Only | Not For Clinical Use
CATAPB10114586
CAS10114-58-6
Structure
SynonymsBismarck Brown Y
IUPAC Name4-[[3-[(2,4-diaminophenyl)diazenyl]phenyl]diazenyl]benzene-1,3-diamine;dihydrochloride
Molecular Weight419.3
Molecular FormulaC18H18N8·2HCl
DescriptionBasic 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.
Melting Point>220 °C (dec)
SolubilitySoluble in water and alcohol
AppearanceDark purple to blackish-brown solid powder
Color Index21000
Pubchem CID82360
UsesThe Bismarck Brown Y or Basic Brown 1 stain is used to stain mucins, cartilage, and goblet cells.
Bismarck brown Y is used as the one of the components of Papanicolaou stain.
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