The Methylene blue reference article from the English Wikipedia on 24-Apr-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Methylene blue

Methylene Blue, methylthionine chloride or 3,7-bis(dimethylamino)phenothiazin-5-ium chloride is a chemical compound used as a dye and medication for Gram's stain, Wright stain, and the treatment of metoxyhemoglobinemia.

Its molecular formula is C₁₆H₁₈ClN₃S.

Its CAS number is 61-73-4: its EC number is 200-515-2 .

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