2D Structure
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2D chemical structural formula diagram.

3D Structure
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This 3D model represents a theoretically simulated conformation and is for reference only.

Check the Methylene Blue trihydrate product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;trihydrate
CAS Number 7220-79-3
Molecular Formula

C16H18N3S.Cl.3H2O

Molecular Weight (MW) 373.90
InChIKey XQAXGZLFSSPBMK-UHFFFAOYSA-M

Solubility

Note: Technical data last updated: Sep 1, 2026.