CAS Number
877-24-7
Grade
ACS
Packaging
Fiber Drum
Chemical Formula: KHC₈H₄O₄
Potassium Hydrogen Phthalate, often abbreviated as KHP, is a white crystalline solid used primarily as a primary standard in acid-base titration. It is highly stable, non-hygroscopic, and soluble in water, making it ideal for analytical chemistry and laboratory calibration procedures. KHP is also valued for its buffering capabilities in various industrial and research applications.
Appearance:
White crystalline powder
Uses:
Laboratory & Analytical Applications:
Widely used as a primary standard for standardizing strong base solutions such as sodium hydroxide due to its precise molecular weight and purity. Commonly utilized in pH meter calibration and acidimetric titrations.
Pharmaceutical Applications:
Employed as a buffering agent in pharmaceutical formulations where consistent and predictable pH control is required.
Food & Beverage Industry:
Occasionally used in analytical testing of food products to monitor acidity levels and maintain quality control.
Industrial Applications:
Serves as a buffering agent in electroplating and cleaning solutions, as well as in processes requiring precise pH stability.
