α-Naptholbenzein Indicator Solution

  • CAS :
    NA
  • REF :
    25851
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QUANTITY PRICE ENQUIRY
100 ml Rs 370.00

Product Information

  • Formula: C₂₇H₂₀O₃ (indicator itself)
  • CAS: 145-50-6
  • EC No.: 205-655-2
  • M: 392.45 g/mol
  • D: ~1.00 g/cm³ (solution)
  • mp: Not applicable
  • bp: Not applicable
  • Optical Rotation: Not applicable

Chemicals Properties

  • Concentration: Typically 0.1% w/v in ethanol or glacial acetic acid.
  • Appearance: Yellow to orange-brown solution.
  • pH Transition (acid-base): Yellow 8.5 – 10.1 Blue-Green.
  • Color Change Test: Passes test (yellow in pH 8.0 buffer, blue-green in pH 10.5 buffer).
  • Clarity: Clear solution.

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.