Methylene Blue
Methylthioninium Chloride Hydrate

CAS number: 32680-41-4

We produce only the pentahydrate form resulting in the highest polymorph stability

  • Therapeutic area Vizualization Agent for Colonoscopies
    Methemoglobinemia
  • Monograph EP
    USP
  • Available grade Standard
  • Regulatory documentation EU DMF**
    US DMF
    CEP
  • Produced in VIZ