An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Concept Breadcrumbs

Preferred Term:

methylene blue

Definition:
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.
Concept Schemes:
NALT Core
NALT Full
Broader Concept:
Entry Terms:
  • methylthioninium chloride
  • methylthionine chloride
URI:
https://lod.nal.usda.gov/nalt/34982
Download this Concept:
RDF/XMLCreated 2006-01-19, last modified 2016-03-22