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Chromates

Potassium chromate (31250)

puriss. p.a., ACS reagent, reag. Ph. Eur., for chromium passivation in electroplating, ≥99.5%

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Potassium chromate is a yellow, odorless, crystalline solid. It is used as a reagent in analytical chemistry, as a pigment in enamels, paints and dyes, and in metal pickling and plating.

General Information

  • Molar Mass
    • 194.19 g/mol
  • Application
    • Industrial
  • CAS Number
    • 7789-00-6

Physical Properties

  • Solubility in Water
    • 20 °C
  • Odor
    • Odorless
  • Physical Form
    • Crystalline powder
  • Boiling Point/Range
    • 1,000 °C
  • Color
    • Yellow
  • pH
    • 8.5 to 10.0 20 °C
  • Melting Point/Range
    • 968.3 °C
  • Vapor Pressure
    • No data available
  • Density
    • 2.732 g/cm3 20 °C

Safety Information

  • Flammability
    • The product is not flammable.
  • Self Ignition
    • Not auto-flammable
  • Chemical Stability
    • Stable under recommended storage conditions.
  • Incompatible Materials
    • Hydrazine, Reactions with metals in powder form, Strong reducing agents

International Transportation

  • Chemical Class
    • 6.1
  • Packing Group
    • III
  • UN Number
    • 3288
  • Harmonized System Code
    • 2841501000

General Information

  • Molar Mass
    • 194.19 g/mol
  • Application
    • Industrial
  • CAS Number
    • 7789-00-6

Physical Properties

  • Solubility in Water
    • 20 °C
  • Odor
    • Odorless
  • Physical Form
    • Crystalline powder
  • Boiling Point/Range
    • 1,000 °C
  • Color
    • Yellow
  • pH
    • 8.5 to 10.0 20 °C
  • Melting Point/Range
    • 968.3 °C
  • Vapor Pressure
    • No data available
  • Density
    • 2.732 g/cm3 20 °C

Safety Information

  • Flammability
    • The product is not flammable.
  • Self Ignition
    • Not auto-flammable
  • Chemical Stability
    • Stable under recommended storage conditions.
  • Incompatible Materials
    • Hydrazine, Reactions with metals in powder form, Strong reducing agents

International Transportation

  • Chemical Class
    • 6.1
  • Packing Group
    • III
  • UN Number
    • 3288
  • Harmonized System Code
    • 2841501000
  • Molar Mass : 194.19 g/mol
  • Application : Industrial
  • CAS Number : 7789-00-6
  • Solubility in Water : 20 °C
  • Odor : Odorless
  • Physical Form : Crystalline powder
  • Boiling Point/Range : 1,000 °C
  • Color : Yellow
  • pH : 8.5 to 10.0 20 °C
  • Melting Point/Range : 968.3 °C
  • Vapor Pressure : No data available
  • Density : 2.732 g/cm3 20 °C
  • Flammability : The product is not flammable.
  • Self Ignition : Not auto-flammable
  • Chemical Stability : Stable under recommended storage conditions.
  • Incompatible Materials : Hydrazine, Reactions with metals in powder form, Strong reducing agents
  • Chemical Class : 6.1
  • Packing Group : III
  • UN Number : 3288
  • Harmonized System Code : 2841501000
Property
Value
assay
Min. 99.5 %
water insoluble matter
Max. 0.005 %
pH (5 %, 25 °C)
8.6 - 9.8
calcium (Ca)
Max. 0.005 %
iron (Fe)
Max. 0.002 %
sodium (Na)
Max. 0.02 %
lead (Pb)
Max. 0.005 %
chloride (Cl)
Max. 0.001 %
sulfate (SO4)
Max. 0.005 %