توضیحات

متيلن بلو 25 گرم كد 34048 كمپاني BDH انگلستان

Methylene blue (C.I.52015)

Synonym: Methylene Blue trihydrate, Methylthioninium chloride, 3,7-Bis(dimethylamino)phenothiazinium chloride, Tetramethylthionine chloride

• CAS Number 7220-79-3
• Empirical Formula (Hill Notation) C₁₆H₁₈ClN₃S · 3H₂O
• Molecular Weight 373.90

• Analysis Note

  Dye content (spectrophotometrically): ≥ 88 %
  Identity
  – Chloride:
  passes test
  – UV/VIS-Spectrum: passes test
  Absorption maximum λ max (ethanol 50 %): 660 – 665 nm
  Spec. Absorptivity A 1%/1cm (λ_max; 0.003 g/l; ethanol 50 %): 2250 – 2750
  TLC-Test: passes test
  Loss on drying (110 °C): 10 – 15 %
  Suitability for microscopy: passes test