Acids & Bases
Ammonia solution (05003)
26% NH3, extra pure, meets analytical specification of Ph. Eur., assay 25.0 - 30.0%
Overview
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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.
Specifications
General Information
- Linear Formula
- NH4OH
- Molar Mass
- 35.05 g/mol
- CAS Number
- 1336-21-6
Physical Properties
- pH
- Alkaline, undiluted
- Physical Form
- Crystalline powder
- Vapor Pressure
- 837 hPa (20 °C) hectopascal
- Boiling Point/Range
- 32 °C (1,013 hPa)
- Odor
- Ammoniacal
- Color
- Colorless
- Density
- 0.89 g/cm3 (20 °C)
- Melting Point/Range
- -92 °C
Safety Information
- Self Ignition
- 651 °C
- Thermal Decomposition
- No decomposition if used as directed.
- Flammability
- Not applicable
- Chemical Stability
- Stable under recommended storage conditions.
- Incompatible Materials
- Acids, Halogens
International Transportation
- Packing Group
- III
- Harmonized System Code
- 28142000
- UN Number
- 2672
- Chemical Class
- 8
General Information
- Linear Formula
- NH4OH
- Molar Mass
- 35.05 g/mol
- CAS Number
- 1336-21-6
Physical Properties
- pH
- Alkaline, undiluted
- Physical Form
- Crystalline powder
- Vapor Pressure
- 837 hPa (20 °C) hectopascal
- Boiling Point/Range
- 32 °C (1,013 hPa)
- Odor
- Ammoniacal
- Color
- Colorless
- Density
- 0.89 g/cm3 (20 °C)
- Melting Point/Range
- -92 °C
Safety Information
- Self Ignition
- 651 °C
- Thermal Decomposition
- No decomposition if used as directed.
- Flammability
- Not applicable
- Chemical Stability
- Stable under recommended storage conditions.
- Incompatible Materials
- Acids, Halogens
International Transportation
- Packing Group
- III
- Harmonized System Code
- 28142000
- UN Number
- 2672
- Chemical Class
- 8
- Linear Formula : NH4OH
- Molar Mass : 35.05 g/mol
- CAS Number : 1336-21-6
- pH : Alkaline, undiluted
- Physical Form : Crystalline powder
- Vapor Pressure : 837 hPa (20 °C) hectopascal
- Boiling Point/Range : 32 °C (1,013 hPa)
- Odor : Ammoniacal
- Color : Colorless
- Density : 0.89 g/cm3 (20 °C)
- Melting Point/Range : -92 °C
- Self Ignition : 651 °C
- Thermal Decomposition : No decomposition if used as directed.
- Flammability : Not applicable
- Chemical Stability : Stable under recommended storage conditions.
- Incompatible Materials : Acids, Halogens
- Packing Group : III
- Harmonized System Code : 28142000
- UN Number : 2672
- Chemical Class : 8
Property
Value
assay
25.0 - 30.0 %
density (D 20/20)
0.892 - 0.910
non-volatile matter
Max. 0.0018 %
iron (Fe)
Max. 0.25 ppm
heavy metals (as Pb)
Max. 1 ppm
carbonate (CO3)
Max. 60 ppm
chloride (Cl)
Max. 1 ppm
sulfate (SO4)
Max. 5 ppm
readily oxidizable substances
complying
pyridine, related subst. (as pyridine)
Max. 2 ppm
residual solvents
complying
appearance of the solution
complying