Methyl Red sodium salt (C15H14N3O2·Na) [845-10-3]

Methyl Red Sodium Salt (C15H14N3O2·Na) [845-10-3] is a recognized compound in chemical applications, featuring a molecular formula of C15H14N3NaO2 and a molecular weight of 291.28. This compound belongs to the carboxylic acid salts, substituted category and sodium compounds substance group. It exhibits an orange to red colour in its powdered form. As a staining agent, it undergoes a PH transition from pink to yellow within the range of 4.5 to 6.2. Its absorption maxima are located at 523 – 526 nm (pH 4.5) and 430 – 434 nm (pH 6.2). The product is supplied with a loss on drying of up to 5% (at 110°C). Handling requires caution due to the Danger signal word associated with this compound.

• CAS Number: 845-10-3
• Molecular Formula: C15H14N3NaO2
• Exact Mass: 198.161979940
• Absorption maximum (pH 4.5) λ1max: 523 – 526 nm
• GHS Signal Word: Danger
• Absorption maximum (pH 6.2) λ2max: 430 – 434 nm
• Molecular Weight: 291.28
• Hazard Statements:
  • H226: Flammable liquid and vapor [Warning Flammable liquids]
  • H317: May cause an allergic skin reaction [Warning Sensitization, Skin]