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Ammonium Hydroxide

Ammonia Solution (17988)

25% NH3, Puranal

General Information

  • CAS Number
    • 1336-21-6

Physical Properties

  • Odor
    • Stinging, Ammoniacal
  • pH
    • Alkaline, undiluted
  • Flashpoint
    • Not applicable
  • Boiling Point/Range
    • 37.7 °C (1,013 hPa)
  • Partition Coefficient
    • -0.64
  • Vapor Pressure
    • 837 hPa (20 °C)
  • Color
    • Colorless
  • Melting Point/Range
    • -92 °C
  • Physical Form
    • Liquid

Safety Information

  • Oxidizing
    • The substance or mixture is not classified as oxidizing.
  • Thermal Decomposition
    • No decomposition if used as directed.
  • Chemical Stability
    • Stable under recommended storage conditions.
  • Evaporation Rate
    • No data available
  • Incompatible Materials
    • Acids, Halogens
  • Ignition Temperature
    • 630 °C
  • Self Ignition
    • 651 °C
  • Flammability
    • Not applicable

International Transportation

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

General Information

  • CAS Number
    • 1336-21-6

Physical Properties

  • Odor
    • Stinging, Ammoniacal
  • pH
    • Alkaline, undiluted
  • Flashpoint
    • Not applicable
  • Boiling Point/Range
    • 37.7 °C (1,013 hPa)
  • Partition Coefficient
    • -0.64
  • Vapor Pressure
    • 837 hPa (20 °C)
  • Color
    • Colorless
  • Melting Point/Range
    • -92 °C
  • Physical Form
    • Liquid

Safety Information

  • Oxidizing
    • The substance or mixture is not classified as oxidizing.
  • Thermal Decomposition
    • No decomposition if used as directed.
  • Chemical Stability
    • Stable under recommended storage conditions.
  • Evaporation Rate
    • No data available
  • Incompatible Materials
    • Acids, Halogens
  • Ignition Temperature
    • 630 °C
  • Self Ignition
    • 651 °C
  • Flammability
    • Not applicable

International Transportation

  • Packing Group
    • III
  • Chemical Class
    • 8
  • UN Number
    • 2672
  • Harmonized System Code
    • 28142000
  • CAS Number : 1336-21-6
  • Odor : Stinging, Ammoniacal
  • pH : Alkaline, undiluted
  • Flashpoint : Not applicable
  • Boiling Point/Range : 37.7 °C (1,013 hPa)
  • Partition Coefficient : -0.64
  • Vapor Pressure : 837 hPa (20 °C)
  • Color : Colorless
  • Melting Point/Range : -92 °C
  • Physical Form : Liquid
  • Oxidizing : The substance or mixture is not classified as oxidizing.
  • Thermal Decomposition : No decomposition if used as directed.
  • Chemical Stability : Stable under recommended storage conditions.
  • Evaporation Rate : No data available
  • Incompatible Materials : Acids, Halogens
  • Ignition Temperature : 630 °C
  • Self Ignition : 651 °C
  • Flammability : Not applicable
  • Packing Group : III
  • Chemical Class : 8
  • UN Number : 2672
  • Harmonized System Code : 28142000
Property
Value
appearance
complying
assay
25.0 - 27.0 %
silver (Ag)
Max. 0.02 ppm
aluminium (Al)
Max. 0.2 ppm
gold (Au)
Max. 0.05 ppm
boron (B)
Max. 0.01 ppm
barium (Ba)
Max. 0.1 ppm
bismuth (Bi)
Max. 0.05 ppm
calcium (Ca)
Max. 0.2 ppm
cadmium (Cd)
Max. 0.05 ppm
cobalt (Co)
Max. 0.02 ppm
chromium (Cr)
Max. 0.05 ppm
copper (Cu)
Max. 0.05 ppm
iron (Fe)
Max. 0.1 ppm
indium (In)
Max. 0.02 ppm
potassium (K)
Max. 0.2 ppm
lithium (Li)
Max. 0.02 ppm
magnesium (Mg)
Max. 0.1 ppm
manganese (Mn)
Max. 0.1 ppm
molybdenum (Mo)
Max. 0.05 ppm
sodium (Na)
Max. 0.5 ppm
nickel (Ni)
Max. 0.05 ppm
lead (Pb)
Max. 0.05 ppm
platinum (Pt)
Max. 0.05 ppm
strontium (Sr)
Max. 0.1 ppm
titanium (Ti)
Max. 0.1 ppm
thallium (Tl)
Max. 0.05 ppm
zinc (Zn)
Max. 0.1 ppm
carbonate (as CO2)
Max. 10 ppm
chloride (Cl)
Max. 0.5 ppm
phosphate (PO4)
Max. 0.2 ppm
sulfate (SO4)
Max. 2 ppm
KMnO4 red. matter (as O)
Max. 8 ppm