Hydroxy Naphthol Blue

  • CAS :
    63451-35-4
  • REF :
    25482
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QUANTITY PRICE ENQUIRY
5 gm Rs 410.00
25 gm Rs 1620.00

Product Information

  • Formula: C₂₀H₁₃N₂NaO₁₁S₃
  • CAS: 63451-35-4
  • EC No.: 264-119-1
  • M (Molar Mass): 620.57 g/mol (approximate)
  • D (Density): Not specified
  • mp (Melting Point): Not specified
  • bp (Boiling Point): Not applicable
  • Optical Rotation: Not applicable

Chemicals Properties

  • Assay (Colorimetric): Suitable as metallochromic indicator for EDTA titrations (Calcium, Magnesium).
  • Appearance: Dark blue to black powder.
  • Identification (UV-Vis): Passes test (λmax ~ 650 nm in alkaline solution).
  • Solubility: Soluble in water, giving a blue solution; slightly soluble in ethanol.
  • Loss on Drying: ≤ 10%
  • Residue on Ignition: ≤ 1%
  • Heavy Metals (as Pb): ≤ 20 ppm

Hazard Information

  • Hazard: May cause eye irritation.
  • Safety: Avoid inhalation of dust. Use with adequate ventilation.
  • Storage: Store in a cool, dry, dark place in a tightly closed container.