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Acids & Bases

Ammonia solution (30501)

ca. 25% NH3, analytical reagent, Reag. ISO, Reag. Ph. Eur.

Ammonia is a compound of nitrogen and hydrogen with the formula NH3 and is a colorless gas with a characteristic pungent smell. Although common in nature and in wide use, ammonia is both caustic and hazardous in its concentrated form. Ammonia is also a building block for the synthesis of many pharmaceutical products and is used in many commercial cleaning products.

General Information

  • Application
    • Industrial
  • CAS Number
    • 1336-21-6

Physical Properties

  • Boiling Point/Range
    • 37.7 °C (1,013 hPa)
  • Color
    • Colorless
  • Density
    • 0.90 g/cm3 (20 °C)
  • Melting Point/Range
    • -92 °C
  • Odor
    • Stinging, Ammoniacal
  • pH
    • Undiluted, Alkaline
  • Physical Form
    • Crystalline powder
  • Solubility in Water
    • Completely miscible
  • Vapor Pressure
    • 1,900 hPa (50 °C)

Safety Information

  • Chemical Stability
    • Stable under recommended storage conditions.
  • Flammability
    • Not applicable
  • Incompatible Materials
    • Acids, Halogens
  • Self Ignition
    • 651 °C
  • Thermal Decomposition
    • No decomposition if used as directed.

International Transportation

  • Chemical Class
    • 8
  • Harmonized System Code
    • 28142000
  • Packing Group
    • III
  • UN Number
    • 2672

General Information

  • Application
    • Industrial
  • CAS Number
    • 1336-21-6

Physical Properties

  • Boiling Point/Range
    • 37.7 °C (1,013 hPa)
  • Color
    • Colorless
  • Density
    • 0.90 g/cm3 (20 °C)
  • Melting Point/Range
    • -92 °C
  • Odor
    • Stinging, Ammoniacal
  • pH
    • Undiluted, Alkaline
  • Physical Form
    • Crystalline powder
  • Solubility in Water
    • Completely miscible
  • Vapor Pressure
    • 1,900 hPa (50 °C)

Safety Information

  • Chemical Stability
    • Stable under recommended storage conditions.
  • Flammability
    • Not applicable
  • Incompatible Materials
    • Acids, Halogens
  • Self Ignition
    • 651 °C
  • Thermal Decomposition
    • No decomposition if used as directed.

International Transportation

  • Chemical Class
    • 8
  • Harmonized System Code
    • 28142000
  • Packing Group
    • III
  • UN Number
    • 2672
  • CAS Number : 1336-21-6
  • Application : Industrial
  • Melting Point/Range : -92 °C
  • Solubility in Water : Completely miscible
  • Boiling Point/Range : 37.7 °C (1,013 hPa)
  • Color : Colorless
  • Physical Form : Crystalline powder
  • Density : 0.90 g/cm3 (20 °C)
  • Vapor Pressure : 1,900 hPa (50 °C)
  • pH : Undiluted, Alkaline
  • Odor : Stinging, Ammoniacal
  • Thermal Decomposition : No decomposition if used as directed.
  • Self Ignition : 651 °C
  • Incompatible Materials : Acids, Halogens
  • Chemical Stability : Stable under recommended storage conditions.
  • Flammability : Not applicable
  • Chemical Class : 8
  • UN Number : 2672
  • Harmonized System Code : 28142000
  • Packing Group : III
Property
Value
assay
Min. 25.0 %
density (D 20/20)
0.892 - 0.910
non-volatile matter
Max. 0.0018 %
silver (Ag)
Max. 0.02 ppm
aluminium (Al)
Max. 0.5 ppm
gold (Au)
Max. 0.1 ppm
barium (Ba)
Max. 0.05 ppm
bismuth (Bi)
Max. 0.1 ppm
calcium (Ca)
Max. 1 ppm
cadmium (Cd)
Max. 0.05 ppm
cobalt (Co)
Max. 0.05 ppm
chromium (Cr)
Max. 0.05 ppm
copper (Cu)
Max. 0.1 ppm
iron (Fe)
Max. 0.1 ppm
gallium (Ga)
Max. 0.02 ppm
indium (In)
Max. 0.02 ppm
potassium (K)
Max. 0.5 ppm
lithium (Li)
Max. 0.02 ppm
magnesium (Mg)
Max. 0.1 ppm
manganese (Mn)
Max. 0.05 ppm
molybdenum (Mo)
Max. 0.05 ppm
sodium (Na)
Max. 1 ppm
nickel (Ni)
Max. 0.05 ppm
lead (Pb)
Max. 0.05 ppm
platinum (Pt)
Max. 0.1 ppm
tin (Sn)
Max. 0.1 ppm
strontium (Sr)
Max. 0.2 ppm
titanium (Ti)
Max. 0.1 ppm
thallium (Tl)
Max. 0.05 ppm
zinc (Zn)
Max. 0.1 ppm
heavy metals (as Pb)
Max. 1 ppm
carbonate (CO3)
Max. 60 ppm
carbonate (as CO2)
Max. 10 ppm
chloride (Cl)
Max. 0.5 ppm
phosphate (PO4)
Max. 0.5 ppm
silicate (as SiO2)
Max. 10 ppm
sulfate (SO4)
Max. 2 ppm
sulfide (S)
Max. 0.2 ppm
KMnO4 red. matter (as O)
Max. 0.0005 %
readily oxidizable substances
complying
pyridine, related subst. (as pyridine)
Max. 2 ppm
pyridine
Max. 0.00005 %
appearance of the solution
complying