/content/advancedmaterials/us/en/search-results.html
Outage Notification: This website will undergo a planned maintenance outage on Saturday, June 5, from 12:30-2:30 p.m. EDT (6:30-8:30 p.m. UDT). We regret any inconvenience this may cause.

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%

Overview
Specifications

General Information

  • Molar Mass
    • 136.09 g/mol
  • Linear Formula
    • KH2PO4
  • CAS Number
    • 7778-77-0
  • Grade
    • Extra pure

Physical Properties

  • Vapor Pressure
    • No data available hectopascal
  • pH
    • 4.2 to 4.5 (20 °C)
  • Density
    • 2.34 g/cm3 (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
  • Linear Formula
    • KH2PO4
  • CAS Number
    • 7778-77-0
  • Grade
    • Extra pure

Physical Properties

  • Vapor Pressure
    • No data available hectopascal
  • pH
    • 4.2 to 4.5 (20 °C)
  • Density
    • 2.34 g/cm3 (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
  • Linear Formula : KH2PO4
  • CAS Number : 7778-77-0
  • Grade : Extra pure
  • Vapor Pressure : No data available hectopascal
  • pH : 4.2 to 4.5 (20 °C)
  • Density : 2.34 g/cm3 (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
$('body').append(` `);