| IUPAC name
Ammonium hydrogen sulfate
| Other names
|Molar mass||115.11 g/mol|
|Appearance||White hygroscopic solid|
|Melting point||147 °C (297 °F; 420 K)|
|Boiling point||350 °C (662 °F; 623 K) (decomposes)|
|Solubility|| Soluble in methanol|
Insoluble in acetone
|Safety data sheet||Sigma-Aldrich|
| Ammonium sulfate|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Ammonium bisulfate or ammonium hydrogen sulfate, is a white crystalline solid with the formula NH4HSO4.
Ammonium bisulfate breaks down when heated to release sulfur oxides.
Ammonium bisulfate is a white hygroscopic solid, soluble in water.
Ammonium bisulfate is sold by chemical suppliers.
Hydrolysis of sulfamic acid will also give ammonium bisulfate.
Thermal decomposition of ammonium sulfate also produces ammonium bisulphate as side product.
Ammonium bisulfate is corrosive and should be handled with proper protection.
In closed bottles, away from ammonia.
Can be neutralized with aqueous ammonia or another base, then poured down the drain.