Ammonium bisulfate
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| Names | |
|---|---|
| IUPAC name
Ammonium hydrogen sulfate
| |
| Other names
Ammonium bisulphate
Ammonium hydrogensulphate | |
| Properties | |
| NH4HSO4 | |
| Molar mass | 115.11 g/mol |
| Appearance | White hygroscopic solid |
| Density | 1.78 g/cm3 |
| Melting point | 147 °C (297 °F; 420 K) |
| Boiling point | 350 °C (662 °F; 623 K) (decomposes) |
| Soluble | |
| Solubility | Soluble in methanol Insoluble in acetone |
| Hazards | |
| Safety data sheet | Sigma-Aldrich |
| Flash point | Non-flammable |
| Related compounds | |
| Related compounds
|
Ammonium sulfate Ammonium bisulfite |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
Ammonium bisulfate or ammonium hydrogen sulfate, is a white crystalline solid with the formula NH4HSO4.
Contents
Properties
Chemical
Ammonium bisulfate breaks down when heated to release sulfur oxides.
Physical
Ammonium bisulfate is a white hygroscopic solid, soluble in water.
Availability
Ammonium bisulfate is sold by chemical suppliers.
Preparation
Can be made via half-neutralization of sulfuric acid by ammonia.
Hydrolysis of sulfamic acid will also give ammonium bisulfate.
Thermal decomposition of ammonium sulfate also produces ammonium bisulphate as side product.
Projects
- Make ammonium persulfate
- Make hydrogen peroxide
- Sulfuric acid substitute
Handling
Safety
Ammonium bisulfate is corrosive and should be handled with proper protection.
Storage
In closed bottles, away from ammonia.
Disposal
Can be neutralized with aqueous ammonia or another base, then poured down the drain.
