Chromates
Sodium dichromate dihydrate (31295)
analytical reagent, Reag. ACS, assay 99.5 - 100.5%
Overview
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
- 7789-12-0
- Concentration
- 100 %
- EC Number
- 232-140-5
- Linear Formula
- Na2Cr2O7 · 2H2O
- Product Type
- Substance Degrees Celsius
- Synonyms
- Sodium bichromate
Physical Properties
- Boiling Point/Range
- Decomposes on heating.
- Chemical Composition
- potassium chromate
- Color
- Orange
- Density
- 2.52 g/cm3 (20 °C)
- Flashpoint
- Not applicable
- Melting Point/Range
- 320 °C
- Odor
- Odorless
- Partition Coefficient
- No data available
- pH
- 3.5 (20 °C)
- Physical Form
- Crystalline powder
- Solubility in Water
- 1.8 g/l (20 °C)
- Vapor Pressure
- No data available hectopascal
Safety Information
- Chemical Stability
- Stable under recommended storage conditions.
- Evaporation Rate
- No data available
- Flammability
- The product is not flammable.
- Flammable Gas Formation
- The substance or mixture does not emit flammable gases in contact with water
- Ignition Temperature
- Not applicable
- Incompatible Materials
- Corrosive in contact with metals, Organic materials, Combustible material, Hydrazine, Reducing agents
- Oxidizing
- The substance or mixture is not classified as oxidizing
- Self Ignition
- Not applicable
- Thermal Decomposition
- No decomposition if used as directed: 450 °C
International Transportation
- Chemical Class
- 6.1
- Harmonized System Code
- 2841509100
- Packing Group
- II
- Sub Class 1
- 5.1
- UN Number
- 3086
General Information
- CAS Number
- 7789-12-0
- Concentration
- 100 %
- EC Number
- 232-140-5
- Linear Formula
- Na2Cr2O7 · 2H2O
- Product Type
- Substance Degrees Celsius
- Synonyms
- Sodium bichromate
Physical Properties
- Boiling Point/Range
- Decomposes on heating.
- Chemical Composition
- potassium chromate
- Color
- Orange
- Density
- 2.52 g/cm3 (20 °C)
- Flashpoint
- Not applicable
- Melting Point/Range
- 320 °C
- Odor
- Odorless
- Partition Coefficient
- No data available
- pH
- 3.5 (20 °C)
- Physical Form
- Crystalline powder
- Solubility in Water
- 1.8 g/l (20 °C)
- Vapor Pressure
- No data available hectopascal
Safety Information
- Chemical Stability
- Stable under recommended storage conditions.
- Evaporation Rate
- No data available
- Flammability
- The product is not flammable.
- Flammable Gas Formation
- The substance or mixture does not emit flammable gases in contact with water
- Ignition Temperature
- Not applicable
- Incompatible Materials
- Corrosive in contact with metals, Organic materials, Combustible material, Hydrazine, Reducing agents
- Oxidizing
- The substance or mixture is not classified as oxidizing
- Self Ignition
- Not applicable
- Thermal Decomposition
- No decomposition if used as directed: 450 °C
International Transportation
- Chemical Class
- 6.1
- Harmonized System Code
- 2841509100
- Packing Group
- II
- Sub Class 1
- 5.1
- UN Number
- 3086
- Synonyms : Sodium bichromate
- Product Type : Substance Degrees Celsius
- EC Number : 232-140-5
- CAS Number : 7789-12-0
- Linear Formula : Na2Cr2O7 · 2H2O
- Vapor Pressure : No data available hectopascal
- Partition Coefficient : No data available
- Chemical Composition : potassium chromate
- Melting Point/Range : 320 °C
- Flashpoint : Not applicable
- Color : Orange
- Solubility in Water : 1.8 g/l (20 °C)
- Boiling Point/Range : Decomposes on heating.
- Density : 2.52 g/cm3 (20 °C)
- pH : 3.5 (20 °C)
- Physical Form : Crystalline powder
- Odor : Odorless
- Flammable Gas Formation : The substance or mixture does not emit flammable gases in contact with water
- Evaporation Rate : No data available
- Ignition Temperature : Not applicable
- Self Ignition : Not applicable
- Incompatible Materials : Corrosive in contact with metals, Organic materials, Combustible material, Hydrazine, Reducing agents
- Oxidizing : The substance or mixture is not classified as oxidizing
- Chemical Stability : Stable under recommended storage conditions.
- Flammability : The product is not flammable.
- Thermal Decomposition : No decomposition if used as directed: 450 °C
- Packing Group : II
- UN Number : 3086
- Chemical Class : 6.1
- Sub Class 1 : 5.1
- Harmonized System Code : 2841509100
- Concentration : 100 %
