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Phosphates

Potassium dihydrogen phosphate (04243)

extra pure, meets analytical specification of Ph. Eur., NF, E 340, assay (calc. to the dried substance) 98.0 - 100.5%

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General Information

  • Molar Mass
    • 136.09 g/mol
  • Application
    • Industrial
  • CAS Number
    • 7778-77-0

Physical Properties

  • Vapor Pressure
    • No data available
  • pH
    • 4.2 to 4.5 20 °C
  • Odor
    • Odorless
  • Color
    • Colorless
  • Physical Form
    • Crystalline powder
  • Boiling Point/Range
    • Not applicable

Safety Information

  • Chemical Stability
    • Stable under normal conditions.
  • Self Ignition
    • Not auto-flammable
  • Flammability
    • The product is not flammable.
  • Incompatible Materials
    • None known
  • Thermal Decomposition
    • 400 °C

International Transportation

  • Harmonized System Code
    • 28352400

General Information

  • Molar Mass
    • 136.09 g/mol
  • Application
    • Industrial
  • CAS Number
    • 7778-77-0

Physical Properties

  • Vapor Pressure
    • No data available
  • pH
    • 4.2 to 4.5 20 °C
  • Odor
    • Odorless
  • Color
    • Colorless
  • Physical Form
    • Crystalline powder
  • Boiling Point/Range
    • Not applicable

Safety Information

  • Chemical Stability
    • Stable under normal conditions.
  • Self Ignition
    • Not auto-flammable
  • Flammability
    • The product is not flammable.
  • Incompatible Materials
    • None known
  • Thermal Decomposition
    • 400 °C

International Transportation

  • Harmonized System Code
    • 28352400
  • Molar Mass : 136.09 g/mol
  • Application : Industrial
  • CAS Number : 7778-77-0
  • Vapor Pressure : No data available
  • pH : 4.2 to 4.5 20 °C
  • Odor : Odorless
  • Color : Colorless
  • Physical Form : Crystalline powder
  • Boiling Point/Range : Not applicable
  • Chemical Stability : Stable under normal conditions.
  • Self Ignition : Not auto-flammable
  • Flammability : The product is not flammable.
  • Incompatible Materials : None known
  • Thermal Decomposition : 400 °C
  • Harmonized System Code : 28352400
Property
Value
assay (calc. to the dried substance)
98.0 - 100.5 %
loss on drying (130°C)
Max. 1.0 %
loss on drying (105°C, 4 h)
Max. 1.0 %
water insoluble matter
Max. 0.2 %
pH (5 %, 20°C)
4.2 - 4.5
arsenic (As)
Max. 1 ppm
cadmium (Cd)
Max. 1 ppm
copper (Cu)
Max. 0.002 %
iron (Fe)
Max. 10 ppm
mercury (Hg)
Max. 1 ppm
sodium (Na)
Max. 0.1 %
lead (Pb)
Max. 1 ppm
zinc (Zn)
Max. 0.002 %
heavy metals (as Pb)
Max. 10 ppm
chloride (Cl)
Max. 10 ppm
fluoride (F)
Max. 10 ppm
sulfate (SO4)
Max. 200 ppm
KMnO4 red. matter (as O)
Max. 0.04 %
appearance of the solution
complying
residual solvents
complying