Synonym: Ammonia aqueous, Ammonia water
Ammonium hydroxide is a weak base mainly used as a source to prepare other ammonium compounds like urea, ammonium carbonate and ammonium sulfate etc.
Ammonium hydroxide solution may be used:
As a medium to prepare magnetite (Fe3O4) nanoparticles via a modified controlled chemical coprecipitation method.
As a solvent and reagent to prepare 4-aryl and 4-alkyl-2,6-dimethyl-1,4-
Quality Level | PREMIUM |
grade | ACS reagent |
| |
assay | 28.0-30.0% NH3 basis |
autoignition temp. | 1204 F |
expl. lim. | 27 % |
impurities | MnO4- reducers, passes test |
0.002% CO2 | |
ign. residue | 0.002% |
density | 0.9 g/mL at 25 C (lit.) |
anion traces | chloride (Cl-): 0.5 ppm |
nitrate (NO3-): 2 ppm | |
phosphate (PO43-): 2 ppm | |
sulfate (SO42-): 2 ppm | |
cation traces | Fe: 0.2 ppm |
heavy metals (as Pb): 0.5 ppm |
CAS Number
1336-21-6
Linear Formula NH4OH
Molecular Weight 35.05