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Chromates

Potassium dichromate (12255)

extra pure, assay min. 99%

Potassium dichromate is an orange to red colored, crystalline, inorganic compound that emits toxic chromium fumes upon heating. Potassium dichromate is highly corrosive and is a strong oxidizing agent.  It is used in painting, printing, electroplating and pyrotechnics.

General Information

  • CAS Number
    • 7778-50-9
  • Molar Mass
    • 294.18 g/mol
  • Application
    • Industrial

Physical Properties

  • Melting Point/Range
    • 398 °C
  • Boiling Point/Range
    • Decomposes on heating.
  • Color
    • Orange
  • Physical Form
    • Crystalline powder
  • Density
    • 2.7 g/cm3 (20 °C)
  • Vapor Pressure
    • No data available
  • pH
    • 3.5 (20 °C)
  • Odor
    • Odorless

Safety Information

  • Thermal Decomposition
    • 500 °C
  • Self Ignition
    • Not auto-flammable
  • Incompatible Materials
    • Reducing agents, Hydrazine, Combustible material, Organic materials, Corrosive in contact with metals
  • Oxidizing
    • The substance or mixture is classified as oxidizing with the category 2.
  • Chemical Stability
    • Stable under recommended storage conditions.
  • Flammability
    • The product is not flammable.

International Transportation

  • Sub Class 1
    • 5.1
  • UN Number
    • 3086
  • Chemical Class
    • 6.1
  • Harmonized System Code
    • 28415000
  • Packing Group
    • II

General Information

  • CAS Number
    • 7778-50-9
  • Molar Mass
    • 294.18 g/mol
  • Application
    • Industrial

Physical Properties

  • Melting Point/Range
    • 398 °C
  • Boiling Point/Range
    • Decomposes on heating.
  • Color
    • Orange
  • Physical Form
    • Crystalline powder
  • Density
    • 2.7 g/cm3 (20 °C)
  • Vapor Pressure
    • No data available
  • pH
    • 3.5 (20 °C)
  • Odor
    • Odorless

Safety Information

  • Thermal Decomposition
    • 500 °C
  • Self Ignition
    • Not auto-flammable
  • Incompatible Materials
    • Reducing agents, Hydrazine, Combustible material, Organic materials, Corrosive in contact with metals
  • Oxidizing
    • The substance or mixture is classified as oxidizing with the category 2.
  • Chemical Stability
    • Stable under recommended storage conditions.
  • Flammability
    • The product is not flammable.

International Transportation

  • Sub Class 1
    • 5.1
  • UN Number
    • 3086
  • Chemical Class
    • 6.1
  • Harmonized System Code
    • 28415000
  • Packing Group
    • II
  • CAS Number : 7778-50-9
  • Molar Mass : 294.18 g/mol
  • Application : Industrial
  • Melting Point/Range : 398 °C
  • Boiling Point/Range : Decomposes on heating.
  • Color : Orange
  • Physical Form : Crystalline powder
  • Density : 2.7 g/cm3 (20 °C)
  • Vapor Pressure : No data available
  • pH : 3.5 (20 °C)
  • Odor : Odorless
  • Thermal Decomposition : 500 °C
  • Self Ignition : Not auto-flammable
  • Incompatible Materials : Reducing agents, Hydrazine, Combustible material, Organic materials, Corrosive in contact with metals
  • Oxidizing : The substance or mixture is classified as oxidizing with the category 2.
  • Chemical Stability : Stable under recommended storage conditions.
  • Flammability : The product is not flammable.
  • Sub Class 1 : 5.1
  • UN Number : 3086
  • Chemical Class : 6.1
  • Harmonized System Code : 28415000
  • Packing Group : II