Methylene Blue Trihydrate [7220-79-3] is used across pharmaceutical, biochemical, and research settings as a dye and stain. Its molecular formula is C16H18N3S.Cl, with a molecular weight of 319.9. It has a Melting Point of 100 °C. This substance carries a Danger signal word due to potential harm if swallowed. It finds applications in various fields such as histology, microbiology, and water treatment, among others, due to its ability to bind strongly to proteins and DNA.

• CAS Number: 7220-79-3
• Molecular Weight: 319.9
• Molecular Formula: C16H18N3S.Cl
• Melting Point: 100 °C
• Exact Mass: 319.0909965
• GHS Signal Word: Danger
• Hazard Statements:
• H302: Harmful if swallowed [Warning Acute toxicity, oral]