o-Cresolphthalein Complexone (Phthalein Purple)

  • CAS :
    2411-89-4
  • REF :
    24976
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QUANTITY PRICE ENQUIRY
1 gm Rs 570.00
5 gm Rs 2760.00

Product Information

  • Formula: C₃₂H₃₂N₂O₁₂
  • CAS: 2411-89-4
  • EC No.: 219-319-5
  • M (Molar Mass): 636.61 g/mol
  • pH Transition Range: 9.0-10.5 (colorless to purple)
  • Use: Calcium indicator in complexometric titrations

Chemicals Properties

  • Assay (Spectrophotometric): ≥ 90%
  • Appearance: Pale yellow to tan powder
  • Sensitivity to Calcium: Detects 0.1-10 ppm Ca²⁺
  • Loss on Drying: ≤ 2.0%
  • Sulfated Ash: ≤ 0.5%
  • Solubility: Soluble in ethanol, methanol; slightly soluble in water
  • Indicator Performance: Satisfactory for calcium determination
  • Heavy Metals (as Pb): ≤ 30 ppm
  • Iron (Fe): ≤ 50 ppm

Hazard Information

  • Hazard: May cause eye and skin irritation.
  • Safety: Handle with care. Avoid contact with eyes and skin.
  • Storage: Store in tightly closed container in cool, dry place. Protect from light.