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CHEBI:52295 - thionine

Default Structure
ChEBI IDCHEBI:52295
ChEBI Namethionine
Stars
DefinitionAn organic chloride salt composed of 3,7-diaminophenothiazin-5-ium and chloride ions in a 1:1 ratio. A strongly metachromatic dye, useful for the staining of acid mucopolysaccharides. It is also a common nuclear stain and can be used for the demonstration of Nissl substance in nerve cells of the CNS.
Last Modified4 November 2015
SubmitterInma Spiteri
DownloadsMolfile
FormulaC12H10N3S.Cl
Net Charge0
Average Mass263.753
Monoisotopic Mass263.02840
SMILESNc1ccc2nc3ccc(N)cc3[s+]c2c1.[Cl-]
InChIInChI=1S/C12H10N3S.ClH/c13-7-1-3-9-11(5-7)16-12-6-8(14)2-4-10(12)15-9;/h1-6H,13-14H2;1H/q+1;/p-1
InChIKeyANRHNWWPFJCPAZ-UHFFFAOYSA-M
Roles Classification
Applications:
histological dye  A dye used in microscopic or electron microscopic examination of cells and tissues to give contrast and to highlight particular features of interest, such as nuclei and cytoplasm.
fluorochrome  A fluorescent dye used to stain biological specimens.
ChEBI Ontology
Outgoing Relation(s)
thionine (CHEBI:52295) has part thionine cation (CHEBI:52926)
thionine (CHEBI:52295) has role fluorochrome (CHEBI:51217)
thionine (CHEBI:52295) has role histological dye (CHEBI:77178)
thionine (CHEBI:52295) is a organic chloride salt (CHEBI:36094)
IUPAC Name 
3,7-diaminophenothiazin-5-ium chloride
Synonyms  Source
C.I. 52000ChEBI
CyanineChemIDplus
KatalysinChemIDplus
Lauthsches violettChemIDplus
Lauth's VioletChemIDplus
ThioninChemIDplus
Registry NumbersSources
Reaxys:3921370Reaxys
CAS:581-64-6ChemIDplus