Term Name:	acid fuchsin
Synonyms:	acid magenta, acid roseine, acid rubin, acid violet 19, C.I. 42685, C.I. Acid Violet 19, disodium 2-amino-5-[(4-amino-3-sulfonatophenyl)(4-iminio-3-sulfonatocyclohexa-2,5-dien-1-ylidene)methyl]-3-methylbenzene-1-sulfonate
Definition:	An organic sodium salt that is the disodium salt of 2-amino-5-[(4-amino-3-sulfophenyl)(4-imino-3-sulfocyclohexa-2,5-dien-1-ylidene)methyl]-3-methylbenzene-1-sulfonic acid. It is used in the Van Gieson method in conjunction with picric acid to demonstrate collagen fibres red, and in Masson's trichrome to colour smooth muscle in contrast to collagen.
Ontology:	ChEBI [CHEBI:87052]  ( EBI )