Phenolphthalein indicator solution

0.1g/L in Ethanol

  • Product Code: 228238
  Alias:    [pH]
  CAS:    77-09-8
Molecular Weight: 318.32 g./mol Molecular Formula: C₂₀H₁₄O₄
EC Number: 201-004-7 MDL Number: MFCD00005913
Melting Point: Boiling Point: 78 °C(乙醇)
Density: Storage Condition: Room temperature
Product Description: Widely used as a pH indicator in acid-base titrations, it turns colorless in acidic solutions and pink to deep red in basic solutions, typically above pH 8.2. This makes it ideal for detecting the endpoint in titrations involving strong acids and strong bases. It is commonly used in educational laboratories for teaching neutralization reactions. Also employed in some industrial processes to monitor pH changes. Due to its clear visual transition, it is favored for quick qualitative analysis of alkalinity. However, it is not suitable for use in highly alkaline solutions where it may degrade and lose color.
Sizes / Availability / Pricing:
Size Availability Price Quantity
100ml 10-20 days ฿580.00
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Phenolphthalein indicator solution
Widely used as a pH indicator in acid-base titrations, it turns colorless in acidic solutions and pink to deep red in basic solutions, typically above pH 8.2. This makes it ideal for detecting the endpoint in titrations involving strong acids and strong bases. It is commonly used in educational laboratories for teaching neutralization reactions. Also employed in some industrial processes to monitor pH changes. Due to its clear visual transition, it is favored for quick qualitative analysis of alkalinity. However, it is not suitable for use in highly alkaline solutions where it may degrade and lose color.
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