Structured Summary
Abstract
A compound consisting of dark green crystals or crystalline powder, having a bronze-like luster. Solutions in water or alcohol have a deep blue color. Methylene blue is used as a bacteriologic stain and as an indicator. It inhibits GUANYLATE CYCLASE, and has been used to treat cyanide poisoning and to lower levels of METHEMOGLOBIN.
Chemical Identity
Chemical Information
- Molecular Formula
- C16H18ClN3S
- Molecular Weight
- 319.9 g/mol
- CAS Registry No.
- 61-73-4
- IUPAC Name
- [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium chloride
- InChIKey
- CXKWCBBOMKCUKX-UHFFFAOYSA-M
- SMILES
- CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-]
- MeSH Unique ID
- D008751
- Source
- PubChem CID 6099
MeSH Record
Classification
Broader headings
Related Concepts
Knowledge Graph
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Drug Class
Pharmacological Action
MeSH Record
Synonyms
12 entry terms
- Basic Blue 9
- Methylene Blue N
- Methylthionine Chloride
- Methylthioninium Chloride
- Swiss Blue
- Blue 9, Basic
- Blue N, Methylene
- Blue, Methylene
- Blue, Swiss
- Chromosmon
- Urolene Blue
- Blue, Urolene
MeSH Record
Aspects Covered
19 allowable subheadings
Indexed with the subheadings administration & dosage, adverse effects, analogs & derivatives, analysis, chemical synthesis, chemistry, classification, economics, history, isolation & purification, metabolism, pharmacokinetics, pharmacology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity.
MeSH Hierarchy
Tree Numbers
AMA Style
References
- National Library of Medicine. Methylene Blue. Medical Subject Headings (MeSH). 2026. Unique ID D008751. http://id.nlm.nih.gov/mesh/2026/D008751
- Methylene Blue. In: Wikipedia. https://en.wikipedia.org/wiki/Methylene_blue
- Methylene Blue. In: Wikidata. https://www.wikidata.org/wiki/Q422134
- Methylene Blue. In: PubChem Compound. CID 6099. https://pubchem.ncbi.nlm.nih.gov/compound/6099