α-Naphtholphthalein Reagent solution (1-naphtholphthalein reagent solution)

  • CAS :
    NA
  • REF :
    25854
image
QUANTITY PRICE ENQUIRY
125 ml Rs 440.00
500 ml Rs 1360.00

Product Information

  • Formula: C₂₈H₁₈O₄ in solvent
  • CAS: 596-01-0
  • EC No.: 209-886-4
  • M (Molar Mass): 418.44 g/mol
  • D (Density): ~1.00 g/cm³ (solution)
  • mp (Melting Point): Not applicable
  • bp (Boiling Point): Not applicable
  • Optical Rotation: Not applicable

Chemicals Properties

  • Concentration: Typically 0.1% w/v in ethanol
  • Appearance: Colorless to pale yellow solution (acidic). Turns blue in alkali.
  • pH Transition: Colorless 7.3 – 8.7 Green to Blue
  • Color Change Test: Passes test (colorless in pH 7.0 buffer, blue in pH 9.0 buffer)
  • Clarity: Clear solution
  • Stability: Several months when stored properly

Hazard Information

  • Hazard: Flammable (if in ethanol). Causes serious eye irritation
  • Safety: Keep away from heat/sparks/open flames. Wear protective gloves/eye protection
  • Storage: Store in a cool, well-ventilated place. Protect from light