Nitrates
Potassium nitrate (12652)
extra pure, meets analytical specification of Ph. Eur., BP, USP, assay 99.0 - 100.5%
Act as a desensitizing agent in toothpaste
General Information
- Application
- Industrial
- CAS Number
- 7757-79-1
- Molar Mass
- 101 g/mol
Physical Properties
- Boiling Point/Range
- Decomposition
- Color
- Colorless
- Density
- 2.11 g/cm3 (20 °C)
- Melting Point/Range
- 335 °C (1,013 hPa)
- Odor
- Odorless
- pH
- 5.5 to 7.5 at 50 g/l (20 °C)
- Physical Form
- Crystalline
- Solubility in Water
- 25 °C
- Vapor Pressure
- No data available
Safety Information
- Chemical Stability
- Stable under normal conditions.
- Flammability
- The product is not flammable.
- Incompatible Materials
- Cyanides, Thiocyanates, Acids, Heavy metals, Reducing agents, Combustible material
- Oxidizing
- The substance or mixture is classified as oxidizing with the category 3.
- Self Ignition
- Not auto-flammable
International Transportation
- Chemical Class
- 5.1
- Harmonized System Code
- 28342100
- Packing Group
- III
- UN Number
- 1486
General Information
- Application
- Industrial
- CAS Number
- 7757-79-1
- Molar Mass
- 101 g/mol
Physical Properties
- Boiling Point/Range
- Decomposition
- Color
- Colorless
- Density
- 2.11 g/cm3 (20 °C)
- Melting Point/Range
- 335 °C (1,013 hPa)
- Odor
- Odorless
- pH
- 5.5 to 7.5 at 50 g/l (20 °C)
- Physical Form
- Crystalline
- Solubility in Water
- 25 °C
- Vapor Pressure
- No data available
Safety Information
- Chemical Stability
- Stable under normal conditions.
- Flammability
- The product is not flammable.
- Incompatible Materials
- Cyanides, Thiocyanates, Acids, Heavy metals, Reducing agents, Combustible material
- Oxidizing
- The substance or mixture is classified as oxidizing with the category 3.
- Self Ignition
- Not auto-flammable
International Transportation
- Chemical Class
- 5.1
- Harmonized System Code
- 28342100
- Packing Group
- III
- UN Number
- 1486
- CAS Number : 7757-79-1
- Molar Mass : 101 g/mol
- Application : Industrial
- Melting Point/Range : 335 °C (1,013 hPa)
- Solubility in Water : 25 °C
- Boiling Point/Range : Decomposition
- Color : Colorless
- Physical Form : Crystalline
- Density : 2.11 g/cm3 (20 °C)
- Vapor Pressure : No data available
- pH : 5.5 to 7.5 at 50 g/l (20 °C)
- Odor : Odorless
- Self Ignition : Not auto-flammable
- Incompatible Materials : Cyanides, Thiocyanates, Acids, Heavy metals, Reducing agents, Combustible material
- Oxidizing : The substance or mixture is classified as oxidizing with the category 3.
- Chemical Stability : Stable under normal conditions.
- Flammability : The product is not flammable.
- Chemical Class : 5.1
- UN Number : 1486
- Harmonized System Code : 28342100
- Packing Group : III
Property
Value
assay
99.0 - 100.5 %
assay (calc. to the dried substance)
99.0 - 100.5 %
loss on drying (105°C)
Max. 0.5 %
ammonium (NH4)
Max. 50 ppm
arsenic (As)
Max. 3 ppm
calcium (Ca)
Max. 100 ppm
iron (Fe)
Max. 10 ppm
sodium (Na)
Max. 0.1 %
lead (Pb)
Max. 10 ppm
heavy metals (as Pb)
Max. 10 ppm
chloride (Cl)
Max. 10 ppm
nitrite (NO2)
Max. 5 ppm
sulfate (SO4)
Max. 150 ppm
appearance of the solution
complying
acidity or alkalinity
complying
reducible impurities
complying
residual solvents
complying
identity on K
complying
identity on NO3
complying
gram negative bacilli (Val.Ref)
complying
staphylococcus aureus (Val.Ref)
complying
total aerobic bacterial value
Max. 500 cfu/g
fungi and yeasts
Max. 500 cfu/g