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Phosphates

di-Sodium hydrogen phosphate dihydrate (04272)

extra pure, meets analytical specification of Ph. Eur., BP, assay (calc. to the dried substance) 98.5 - 101.0%

Overview
Specifications

General Information

  • Linear Formula
    • Na2HPO4
  • CAS Number
    • 10028-24-7
  • Grade
    • Extra pure

Physical Properties

  • Physical Form
    • Crystalline powder
  • Vapor Pressure
    • No data available hectopascal
  • pH
    • 9.0 to 9.2 at 50 g/l
  • Boiling Point/Range
    • No data available
  • Color
    • Colorless
  • Odor
    • Odorless

Safety Information

  • Thermal Decomposition
    • 95 °C
  • Flammability
    • The product is not flammable.
  • Incompatible Materials
    • None
  • Chemical Stability
    • Stable under normal conditions.

International Transportation

  • Harmonized System Code
    • 2835220000

General Information

  • Linear Formula
    • Na2HPO4
  • CAS Number
    • 10028-24-7
  • Grade
    • Extra pure

Physical Properties

  • Physical Form
    • Crystalline powder
  • Vapor Pressure
    • No data available hectopascal
  • pH
    • 9.0 to 9.2 at 50 g/l
  • Boiling Point/Range
    • No data available
  • Color
    • Colorless
  • Odor
    • Odorless

Safety Information

  • Thermal Decomposition
    • 95 °C
  • Flammability
    • The product is not flammable.
  • Incompatible Materials
    • None
  • Chemical Stability
    • Stable under normal conditions.

International Transportation

  • Harmonized System Code
    • 2835220000
  • Linear Formula : Na2HPO4
  • CAS Number : 10028-24-7
  • Grade : Extra pure
  • Physical Form : Crystalline powder
  • Vapor Pressure : No data available hectopascal
  • pH : 9.0 to 9.2 at 50 g/l
  • Boiling Point/Range : No data available
  • Color : Colorless
  • Odor : Odorless
  • Thermal Decomposition : 95 °C
  • Flammability : The product is not flammable.
  • Incompatible Materials : None
  • Chemical Stability : Stable under normal conditions.
  • Harmonized System Code : 2835220000
Property
Value
assay (calc. to the dried substance)
98.5 - 101.0 %
assay of NaH2PO4 (calc.to dried subst.)
Max. 1.0 %
loss on drying (130°C)
19.5 - 21.0 %
pH (1 %,20°C)
9.0 - 9.4
arsenic (As)
Max. 2 ppm
iron (Fe)
Max. 10 ppm
heavy metals (as Pb)
Max. 10 ppm
chloride (Cl)
Max. 50 ppm
sulfate (SO4)
Max. 0.01 %
appearance of the solution
complying
reducing impurities
complying
residual solvents
complying
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