Ammonium hydroxide solution
SIGALD/221228 - ACS reagent, 28.0-30.0% NH3 basis
Synonym: Ammonia aqueous; Ammonia water
CAS Number: 1336-21-6
Empirical Formula (Hill Notation): H5NO
Molecular Weight: 35.05
MDL Number: MFCD00066650
Linear Formula: NH4OH
Product Type: Chemical
anion traces | chloride (Cl-): ≤0.5 ppm |
nitrate (NO3-): ≤2 ppm | |
phosphate (PO43-): ≤2 ppm | |
sulfate (SO42-): ≤2 ppm | |
autoignition temp. | 1204 °F |
cation traces | Fe: ≤0.2 ppm |
heavy metals: ≤0.5 ppm (by ICP) | |
concentration | 28.0-30.0% NH3 |
density | 0.9 g/mL at 25 °C (lit.) |
expl. lim. | 27 % |
form | liquid |
grade | ACS reagent |
ign. residue | ≤0.002% |
impurities | MnO4- reducers, passes test |
≤0.002% CO2 | |
InChI | 1S/H3N.H2O/h1H3;1H2 |
InChI key | VHUUQVKOLVNVRT-UHFFFAOYSA |
pH | 11.7 (20 °C) |
Quality Level | 200 ![]() |
SMILES string | [NH4+].[OH-] |
storage temp. | 2-8°C |
Application: | 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- |
General description: | Ammonium hydroxide is a weak base mainly used as a source to prepare other ammonium compounds like urea, ammonium carbonate and ammonium sulfate etc. |
Other Notes: | 2024 CiteAb Award Winner for Supplier Succeeding in Parkinson′s Research ![]() ![]() |
Other Notes: | ACS specifications same for product 320145 |
Packaging: | 1 L in poly bottle |
Packaging: | 1 L in PVC-coated bottle |
Packaging: | 174 L in poly drum |
Packaging: | 2.5 L in poly bottle |
Packaging: | 2.5 L in PVC-coated bottle |
Packaging: | 25, 100, 12×100 mL in poly bottle |
Packaging: | 500 mL in poly bottle |
Packaging: | 500 mL in PVC-coated bottle |
Packaging: | 6×2.5 L in poly bottle |
Packaging: | 6×2.5 L in PVC-coated bottle |
Packaging: | 6×500 mL in glass bottle |
Packaging: | 6×500 mL in poly bottle |
Packaging: | 6×500 mL in PVC-coated bottle |
Packaging: | View returnable container options ![]() |
Symbol | ![]() ![]() ![]() |
Signal word | Danger |
Hazard statements | H314 - H335 - H410 |
Precautionary statements | P261 - P271 - P273 - P280 - P303 + P361 + P353 - P305 + P351 + P338 |
WGK Germany | WGK 2 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Density | 0.9 g/mL at 25 °C (lit.) |
Storage Temp. | 2-8°C |
UNSPSC | 12352106 |