potassium hydrogen phthalate
potassium hydrogen phthalate

potassium hydrogen phthalate

potassium hydrogen phthalate Specification

  • Ph Level
  • 4.01 (0.05M solution at 25°C)
  • Smell
  • Odorless
  • HS Code
  • 2918.19.00
  • Shape
  • Powder or fine crystals
  • Density
  • 1.636 Gram per cubic centimeter(g/cm3)
  • Appearance
  • White crystalline solid
  • Purity
  • 99.9% or higher
  • Solubility
  • Soluble in water (22.1 g/100 mL at 25°C)
  • Refractive Rate
  • Not applicable (solid material)
  • Molecular Formula
  • C8H5KO4
  • Molecular Weight
  • 204.22 g/mol
  • Physical Form
  • White crystalline powder
  • Structural Formula
  • C8H5KO4
  • EINECS No
  • 212-889-4
  • Usage
  • Calibration of pH measurement instruments titration standard solutions research laboratories and analytical chemistry
  • Shelf Life
  • Stable under recommended storage conditions indefinite if properly stored
  • Properties
  • Highly stable pH buffer non-hygroscopic good solubility in water
  • Melting Point
  • 295°C (decomposes)
  • Taste
  • Slightly sour taste
  • Application
  • Primarily used as a primary standard in acid-base titrations and calibration of pH meters
  • Ingredients
  • Potassium hydrogen phthalate (pure compound)
  • Grade
  • Analytical Grade
  • Poisonous
  • NO
  • CAS No
  • 877-24-7
  • Storage
  • Store in a cool dry and well-ventilated place in a tightly sealed container
 
 

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