CHEBI:52295 - thionine

Main ChEBI Ontology Automatic Xrefs Reactions Pathways Models
ChEBI Name thionine
ChEBI ID CHEBI:52295
Definition An 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.
Stars This entity has been manually annotated by the ChEBI Team.
Supplier Information
Download Molfile XML SDF
Formula C12H10ClN3S
Net Charge 0
Average Mass 263.74600
Monoisotopic Mass 263.02840
InChI InChI=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
InChIKey ANRHNWWPFJCPAZ-UHFFFAOYSA-M
SMILES [Cl-].Nc1ccc2nc3ccc(N)cc3[s+]c2c1
Roles Classification
Application(s): fluorochrome
A fluorescent dye used to stain biological specimens.
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.
View more via ChEBI Ontology
ChEBI Ontology
Outgoing 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 Sources
C.I. 52000 ChEBI
Cyanine ChemIDplus
Katalysin ChemIDplus
Lauth's Violet ChemIDplus
Lauthsches violett ChemIDplus
Thionin ChemIDplus
Registry Numbers Types Sources
3921370 Beilstein Registry Number Beilstein
3921370 Reaxys Registry Number Reaxys
581-64-6 CAS Registry Number ChemIDplus
Last Modified
04 November 2015