Phenol red AR (pH indicator)

  • CAS :
    143-74-8
  • REF :
    26038
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QUANTITY PRICE ENQUIRY
25 gm Rs 630.00
100 gm Rs 2340.00

Product Information

  • Formula: C₁₉H₁₄O₅S
  • CAS: 143-74-8
  • EC No.: 205-609-7
  • M (Molar Mass): 354.38 g/mol
  • mp (Melting Point): >300 °C (decomposes)
  • Optical Rotation: Not applicable

Chemicals Properties

  • Appearance: Dark red to brownish-red powder.
  • Identification (IR): Passes test.
  • Transition Interval: pH 6.8-8.2 (yellow to red).
  • Solubility (in ethanol/alkaline water): Clear, red solution.
  • Loss on Drying: ≤ 1.0 %

Hazard Information

  • Hazard: May cause eye and skin irritation.
  • Safety: Wear protective gloves and eye protection. Avoid breathing dust.
  • Storage: Store in a cool, dry place. Keep container tightly closed.