o-Cresolphthalein Complexone (Phthalein Purple)

  • CAS :
    2411-89-4
  • REF :
    24976
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QUANTITY PRICE ENQUIRY
1 gm Rs 625.0
5 gm Rs 3000.0

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.