Methylene Blue

Chromosmon; Methylene Blue N; Methylthioninium Chloride; Urolene Blue; Blue N, Methylene; Blue, Methylene; Blue, Swiss; N, 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.