Outage Notification: This website will undergo a planned maintenance outage on Saturday, June 5, from 12:30-2:30 p.m. EDT (6:30-8:30 p.m. UDT). We regret any inconvenience this may cause.

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

  • CAS Number
    • 7757-79-1
  • Molar Mass
    • 101 g/mol
  • Application
    • Industrial

Physical Properties

  • Odor
    • Odorless
  • pH
    • 5.5 to 7.5 at 50 g/l (20 °C)
  • Color
    • Colorless
  • Melting Point/Range
    • 335 °C (1,013 hPa)
  • Vapor Pressure
    • No data available
  • Physical Form
    • Crystalline
  • Boiling Point/Range
    • Decomposition

Safety Information

  • 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
  • Chemical Stability
    • Stable under normal conditions.
  • Flammability
    • The product is not flammable.

International Transportation

  • Chemical Class
    • 5.1
  • Harmonized System Code
    • 28342100
  • Packing Group
    • III
  • UN Number
    • 1486

General Information

  • CAS Number
    • 7757-79-1
  • Molar Mass
    • 101 g/mol
  • Application
    • Industrial

Physical Properties

  • Odor
    • Odorless
  • pH
    • 5.5 to 7.5 at 50 g/l (20 °C)
  • Color
    • Colorless
  • Melting Point/Range
    • 335 °C (1,013 hPa)
  • Vapor Pressure
    • No data available
  • Physical Form
    • Crystalline
  • Boiling Point/Range
    • Decomposition

Safety Information

  • 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
  • Chemical Stability
    • Stable under normal conditions.
  • Flammability
    • The product is not 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
  • Odor : Odorless
  • pH : 5.5 to 7.5 at 50 g/l (20 °C)
  • Color : Colorless
  • Melting Point/Range : 335 °C (1,013 hPa)
  • Vapor Pressure : No data available
  • Physical Form : Crystalline
  • Boiling Point/Range : Decomposition
  • 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
  • Chemical Stability : Stable under normal conditions.
  • Flammability : The product is not flammable.
  • Chemical Class : 5.1
  • Harmonized System Code : 28342100
  • Packing Group : III
  • UN Number : 1486
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