CAS 2580-56-5PubChem CID 17407
Victoria Blue B
Victoria blue B is an iminium salt composed of 4-{(4-anilinonaphthalen-1-yl)[4-(dimethylamino)phenyl]methylidene}-N,N-dimethylcyclohexa-2,5-dien-1-iminium and chloride ions in a 1:1 ratio. It binds to nucleic acids and can be used in standardised staining techniques suitable for automated cell-pattern recognition. It has a role as a fluorochrome and a histological dye. It is an iminium salt and an organic chloride salt. It contains a victoria blue B(1+). — ChEBI
- IUPAC name
- [4-[bis[4-(dimethylamino)phenyl]methylidene]naphthalen-1-ylidene]-phenylazanium chloride
- Molecular formula
- C33H32ClN3
- Molecular weight
- 506.1 g/mol
- Exact mass
- 505.2284757 Da
- Topological polar surface area
- 20.5 Ų
- Hydrogen-bond donors
- 1
- Hydrogen-bond acceptors
- 3
- Covalent units
- 2
- Defined stereocentres
- 0
Also known as
Basic blue 26Calcozine Blue BC.I. BASIC BLUE 26C.I. 44045CI 44045Z1V8UTB56CCOVARIANE BLEU W 6129NSC-11245
16 more reported names
LOWACRYL BLUE 26CHEBI:87651Methanaminium, N-(4-((4-(dimethylamino)phenyl)(4-(phenylamino)-1-naphthalenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-methyl-, chlorideMethanaminium, N-[4-[[4-(dimethylamino)phenyl][4-(phenylamino)-1-naphthalenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, chlorideRefChem:934023219-943-64-(alpha-(4-anilino-1-naphthyl)-p-dimethylamino)benzylidene-2,5-cyclohexadien-1-ylidenedimethyl ammonium chlorideN-(4-((4-(Dimethylamino)phenyl)(4-(phenylamino)-1-naphthalenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-methylmethanaminium, chlorideTertrophene BlueVictoria Pure Blue BHecto Blue BVictoria Blue BXAizen Victoria Blue B BaseVictoria blueHekto Blue BVictoria Blue BA
External database identifiers
- ChEBI:CHEBI:87651
- EPA DTXSID:DTXSID0038889
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.