Lacmoid (pH indicator)

  • CAS :
    33869-21-5
  • REF :
    25558
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QUANTITY PRICE ENQUIRY
5 gm Rs 660.00

Product Information

  • Formula: C₁₂H₆Br₂O₅ (Resorcinol Blue)
  • CAS: 518-47-8
  • EC No.: 208-256-8
  • M (Molar Mass): 358.07 g/mol
  • D (Density): Not specified
  • mp (Melting Point): >200°C (decomposes)
  • bp (Boiling Point): Not applicable
  • Optical Rotation: Not applicable

Chemicals Properties

  • Indicator Range: pH 4.4 (yellow) to pH 6.2 (blue).
  • Appearance: Dark blue to black powder.
  • Solubility: Soluble in ethanol and acetic acid; slightly soluble in water.
  • Loss on Drying: ≤ 5%
  • Residue on Ignition: ≤ 1%
  • Heavy Metals (as Pb): ≤ 20 ppm

Hazard Information

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