M9140 Sigma-Aldrich

Methylene blue

certified by the Biological Stain Commission

Synonym: 3,7-bis(Dimethylamino)phenazathionium chloride, Basic Blue 9, Tetramethylthionine chloride

  • CAS Number 7220-79-3

  • Empirical Formula (Hill Notation) C16H18ClN3S · 3H2O

  • Molecular Weight 373.90

  •  Beilstein Registry Number 3599847

  •  Colour Index Number 52015

  •  EC Number 200-515-2

  •  MDL number MFCD00150008

  •  PubChem Substance ID 24897317


Related Categories Cell Biology, Certified Stains & Dyes, Core Bioreagents, Hematology and Histology, Life Science Reagents for DNA/RNA Electrophoresis,
grade   certified by the Biological Stain Commission
form   powder
composition   Dye content, ≥82%
solubility   H2O: soluble4mg/4ml
Gene Information   human ... CYP1A2(1544), GSR(2936)


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25, 100 g in glass bottle


Certified for use in Mallory′s phloxine-methylene blue stain; Levine & Black stain for bacteria in milk; Wright stain for blood smears.

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