Bromocresol Purple Sodium Salt Molecular Biology

  • CAS :
    62625-30-3
  • REF :
    24619
QUANTITY PRICE ENQUIRY
25 gm Rs 2300.00

Product Information

  • Formula: C₂₁H₁₅Br₂O₅SNa (Sodium salt of 5',5''-Dibromo-o-cresolsulfonphthalein)
  • CAS: 62625-30-3
  • EC No.: 263-572-3
  • M (Molar Mass): 562.20 g/mol
  • D (Density): Not applicable
  • mp (Melting Point): >250°C (decomposes)
  • bp (Boiling Point): Not applicable
  • Optical Rotation: Not applicable

Chemicals Properties

  • Dye Content (Spectrophotometry): ≥ 90.0 %
  • Appearance: Purple to reddish-purple powder.
  • Solubility: Soluble in water, giving a purple solution.
  • pH Transition Range: Yellow 5.2 – 6.8 Purple.
  • Absorbance (0.04% in water):
  • λmax (acidic form): ~433 nm
  • λmax (basic form): ~591 nm
  • A₅₉₁/A₄₃₃ ratio: within specified batch range.
  • Water Content (Karl Fischer): ≤ 5.0 %
  • Residue on Ignition: 10.0 – 13.0 % (as sodium salt).
  • Heavy Metals (as Pb): ≤ 20 ppm
  • DNase, RNase, Protease Activity: Not detected.
  • Gel Electrophoresis Suitability: Does not interfere with DNA/RNA migration or staining.
  • pH Indicator Performance: Clear color change in appropriate buffers.

Hazard Information