Skip Navigation
ChemIDplus A TOXNET DATABASE LiteBrowseAdvanced

Substance Name: Thionine blue
RN: 6990-74-5


  • Combination of phenothiazine cpd with ZnCl.

Molecular Formula

  • C18-H22-N3-S.x-Cl2-Zn.Cl
* denotes mobile formatted website

Links to Resources

NLM Resources (File Locators)

Other Resources (Internet Locators)

Names and Synonyms

Name of Substance

  • Thionine blue


  • 3-(Diethylamino)-7-(dimethylamino)phenazathionium chloride compd. with zinc chloride

Systematic Name

  • Phenothiazin-5-ium, 3-(diethylamino)-7-(dimethylamino)-, chloride, compd. with zinc chloride (ZnCl2)

Registry Numbers

CAS Registry Number

  • 6990-74-5

System Generated Number

  • 0006990745

Molecular Formulas

Molecular Formula

  • C18-H22-N3-S.x-Cl2-Zn.Cl

Molecular Formula Fragments

  • C18-H22-N3-S
  • Cl
  • Cl2-Zn