Methylene Blue (Zinc Free)

Methylene Blue (Zinc Free) is a laboratory-grade dye that serves as both a biological stain and a redox indicator. Its zinc-free formulation ensures greater purity, making it suitable for sensitive applications such as staining cells and tissues in microbiology and histology, as well as for use in redox reactions in analytical chemistry.
Formula: C16H18ClN3S, Molar mass: 319,85 g/mol, Density: 1.0 g/mL at 20 °C
• Chemical Code: M6450
• Chemical Grade: ACS Reagent
• Chemical Formula: C₁₆H₁₈ClN₃S.xH₂O
• Chemical Weight: 319,85 g/mol
• CAS No: 122965-43-9
• Chemical Synonyms: Tetramethylthionine Chloride, 3,7-bis(Dimethylamino)Phenazathionium Chloride, Basic Blue 9
• Appearance: Dark Green Crystals with Bronze lustre, or Crystalline Powder
• Odour: Odourless
• pH: No Data Available
• Melting Point: No Data Available
• Boiling Point: No Data Available
• Flash Point: No Data Available
• Water solubility: Soluble

• Laboratory-grade dye
• Biological stain and redox indicator
• Zinc-free formulation for greater purity
• Suitable for microbiology and histology
• Used in analytical chemistry
• Size: [’25g’, ‘100g’] • Pack Size: [‘Single Item’, ‘Box of 4’]