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Clear dark blue solution with a pH value between 3.0 and 4.5.
Osmolality is usually between 10 and 15 mOsm/kg.
Each ml of solution contains 5 mg methylthioninium chloride.
Each 10 ml ampoule contains 50 mg methylthioninium chloride.
Chemical Name: 3,7-Bis(dimethylamino)phenothiazin-5-ylium trihydrate.
Chemical Structure: The molecular weight of methylene blue trihydrate is 373.9. The molecular formula of hydrated methylene blue is C16H18ClN3S,xH2O (where x=3,4 or 5).
CAS Number: CAS registry number of methylene blue trihydrate is 7220-79-3.
Excipients/Inactive Ingredients: Water for injections.
