Methylene blue (Loeffler) counterstain, for bacteriology, Sigma-Aldrich®
Supplier: MilliporeSigma
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Warning
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Synonyms:
Basic Blue 9
, Swiss Blue
, Methylthioninium chloride
, Methylene blue chloride
, 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride
Löffler's methylene blue solution is generally used as bacteriological counter staining of, e.g. of gonococcae, lactic acid bacteria and for visualization of the pole corpuscles of pasteurella.
It is often used in combination with Ziehl-Neelsen carbol fuchsin solution and hydrochloric acid in ethanol to stain mycobacteria. Löffler's methylene blue solution is an IVD product and CE registered, thus, it can be used in diagnostics and for laboratory accreditations.
Formula:
C₁₆H₁₈ClN₃S MW: 319.86 g/mol Density: 0.97 g/cm3 (20 °C) Flash Pt: 40 °C Storage Temperature: Ambient |
MDL Number:
MFCD00150008 CAS Number: 61-73-4 UN: 1993 ADR: 3,III |
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