Chromates
Potassium dichromate (12255)
extra pure, assay min. 99%
Overview
Request Free Samples
You can only request up to 6 free samples. Please remove one or more products from your sample bag before requesting another sample
×
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.
Specifications
General Information
- CAS Number
- 7778-50-9
- Linear Formula
- K2Cr2O7
- Molar Mass
- 294.18 g/mol
- Grade
- Extra pure
- Extra pure
Physical Properties
- Melting Point/Range
- 398 °C
- Physical Form
- Crystalline powder
- Color
- Orange
- Vapor Pressure
- No data available hectopascal
- Odor
- Odorless
- pH
- 3.5 (20 °C)
- Boiling Point/Range
- Decomposes on heating.
- Density
- 2.7 g/cm3 (20 °C)
Safety Information
- Incompatible Materials
- Reducing agents, Hydrazine, Combustible material, Organic materials, Corrosive in contact with metals
- Self Ignition
- Not auto-flammable
- Flammability
- The product is not flammable.
- Oxidizing
- The substance or mixture is classified as oxidizing with the category 2.
- Chemical Stability
- Stable under recommended storage conditions.
- Thermal Decomposition
- 500 °C
International Transportation
- Chemical Class
- 6.1
- UN Number
- 3086
- Harmonized System Code
- 28415000
- Sub Class 1
- 5.1
- Packing Group
- II
General Information
- CAS Number
- 7778-50-9
- Linear Formula
- K2Cr2O7
- Molar Mass
- 294.18 g/mol
- Grade
- Extra pure
- Extra pure
Physical Properties
- Melting Point/Range
- 398 °C
- Physical Form
- Crystalline powder
- Color
- Orange
- Vapor Pressure
- No data available hectopascal
- Odor
- Odorless
- pH
- 3.5 (20 °C)
- Boiling Point/Range
- Decomposes on heating.
- Density
- 2.7 g/cm3 (20 °C)
Safety Information
- Incompatible Materials
- Reducing agents, Hydrazine, Combustible material, Organic materials, Corrosive in contact with metals
- Self Ignition
- Not auto-flammable
- Flammability
- The product is not flammable.
- Oxidizing
- The substance or mixture is classified as oxidizing with the category 2.
- Chemical Stability
- Stable under recommended storage conditions.
- Thermal Decomposition
- 500 °C
International Transportation
- Chemical Class
- 6.1
- UN Number
- 3086
- Harmonized System Code
- 28415000
- Sub Class 1
- 5.1
- Packing Group
- II
- CAS Number : 7778-50-9
- Linear Formula : K2Cr2O7
- Molar Mass : 294.18 g/mol
- Grade : Extra pure|Extra pure
- Melting Point/Range : 398 °C
- Physical Form : Crystalline powder
- Color : Orange
- Vapor Pressure : No data available hectopascal
- Odor : Odorless
- pH : 3.5 (20 °C)
- Boiling Point/Range : Decomposes on heating.
- Density : 2.7 g/cm3 (20 °C)
- Incompatible Materials : Reducing agents, Hydrazine, Combustible material, Organic materials, Corrosive in contact with metals
- Self Ignition : Not auto-flammable
- Flammability : The product is not flammable.
- Oxidizing : The substance or mixture is classified as oxidizing with the category 2.
- Chemical Stability : Stable under recommended storage conditions.
- Thermal Decomposition : 500 °C
- Chemical Class : 6.1
- UN Number : 3086
- Harmonized System Code : 28415000
- Sub Class 1 : 5.1
- Packing Group : II
Property
Value
assay
Min. 99 %
calcium (Ca)
Max. 0.005 %
chloride (Cl)
Max. 0.005 %
sulfate (SO4)
Max. 0.02 %