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Potassium Acid Phthalate

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  • NuGenTec =: Potassium hydrogen phthalate
  • Form: White or colorless solid
  • Sizing: 1-Gal
  • CAS #: 877-24-7
  • Molecular Formula:: C8H5KO4
  • Electronics Grade:: Yes
  • CAS #: 877-24-7
  • The hydrogen is slightly acidic, and it is often used as a primary standard for acid-base titrations because it is solid and air-stable, making it easy to weigh accurately.
  • It is also used as a primary standard for calibrating pH meters because, besides the properties just mentioned, its pH in solution is very stable.
  • NFPA: N/A
  • Form: White or colorless solid
Synonyms: hydrogen potassium phthalate, phthalic acid potassium salt, potassium bi-phthalate, 1, 2-benzenedicarboxylic acid, monopotassium salt, KHP, KHPh. Used as a lab reagent and a buffering agent.
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