Congo Red Indicator For Microscopy

  • CAS :
    573-58-0
  • REF :
    24932
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QUANTITY PRICE ENQUIRY
25 gm Rs 193.75
100 gm Rs 525.0
500 gm Rs 2225.0

Product Information

Formula: C₃₂H₂₂N₆Na₂O₆S₂ CAS: 573-58-0 EC No.: 209-358-4 M (Molar Mass): 696.66 g/mol λmax: 497 nm (pH 7), 540 nm (pH 3) Solubility: Soluble in water, ethanol; insoluble in ether

Chemicals Properties

Dye Content: ≥ 85% Appearance: Dark red to brownish-red powder pH Transition Range: 3.0 (blue) to 5.2 (red) Absorbance (1% solution): E₁%₁cm ≥ 600 at 497 nm Loss on Drying: ≤ 5.0% Sulfated Ash: ≤ 15% Heavy Metals (as Pb): ≤ 20 ppm Solubility in Water: Complete, clear solution Staining Test: Satisfactory for amyloid staining

Hazard Information

Hazard: May be harmful if swallowed or inhaled. Causes eye irritation. Safety: Avoid breathing dust. Use with adequate ventilation. Storage: Store in tightly closed container at room temperature. Protect from light.