1-Naphtholbenzein (pH indicator)

  • CAS :
    145-50-6
  • REF :
    25850
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QUANTITY PRICE ENQUIRY
5 gm Rs 987.5
25 gm Rs 4000.0

Product Information

Formula: C₂₇H₂₄O₃ CAS: 145-50-6 EC No.: 205-658-9 M (Molar Mass): 396.48 g/mol D (Density): ~1.0 g/cm³ (approx.) mp (Melting Point): 125-127 °C bp (Boiling Point): Not applicable pH Range: 8.0 (yellow) - 10.0 (blue)

Chemicals Properties

Assay (Colorimetric): Suitable for use as pH indicator. Appearance: Reddish-brown powder. Identification (Color Change): Passes test (yellow in acid, blue in alkali). Solubility (in Ethanol): Passes test. Loss on Drying: ≤ 0.5 % Sensitivity Test (pH transition): Complies.

Hazard Information

Hazard: May be harmful if swallowed. Safety: Avoid dust formation. Storage: Store in a cool, dry place, tightly closed.