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Methylene Blue

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.

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Tree Number(s): D02.886.369.517, D03.633.300.783.517

MeSH Unique ID: D008751

Registry Number: T42P99266K

Entry Terms:

  • Blue, Methylene
  • Basic Blue 9
  • Blue 9, Basic
  • Methylene Blue N
  • Blue N, Methylene
  • Methylthionine Chloride
  • Swiss Blue
  • Blue, Swiss
  • Methylthioninium Chloride
  • Chromosmon
  • Urolene Blue
  • Blue, Urolene

Pharmacologic Action:

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