Methylene Blue trihydrate [7220-79-3]

Methylene Blue Trihydrate [7220-79-3] is a chemically defined substance belonging to the Stains & Indicators category. Its molecular formula is C16H18CIN3S·3H2O, with a molecular weight of 373.90. This compound is characterized by its dark green crystalline powder appearance and clear blue soluble state. As per the provided specifications, it contains less than 200 parts per million of Copper. It conforms to standard identification procedures and has an assay ranging from 98 to 103% (dry basis) and ≥82% (as is basis). The residue on ignition does not exceed 1.2%. This product is stored ambiently and comes with a loss on drying of up to 22%.

• CAS Number: 7220-79-3
• Copper: ≤200ppm
• Assay (dry basis): 98 - 103%
• Categories: Stains & Indicators
• Molecular Formula: C16H18CIN3S·3H2O
• Appearance: Dark green crystalline powder
• Assay (as is basis): ≥82%
• Molecular Weight: 373.90