Ammonium bisulfate

Ammonium bisulfate
Ball-and-stick model of an ammonium cation (left) and a bisulfite anion (right)
Names
IUPAC name
Ammonium hydrogen sulfate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.029.332 Edit this at Wikidata
RTECS number
  • WS990000
UNII
  • InChI=1S/H3N.H2O4S/c;1-5(2,3)4/h1H3;(H2,1,2,3,4) checkY
    Key: BIGPRXCJEDHCLP-UHFFFAOYSA-N checkY
  • InChI=1/H3N.H2O4S/c;1-5(2,3)4/h1H3;(H2,1,2,3,4)
    Key: BIGPRXCJEDHCLP-UHFFFAOYAA
  • [O-]S(=O)(=O)O.[NH4+]
Properties
(NH4)HSO4
Molar mass 115.11 g/mol
Appearance White solid
Density 1.78 g/cm3
Melting point 147 °C (297 °F; 420 K)
Very soluble
Solubility in other solvents Soluble in methanol
insoluble in acetone
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
3
0
0
Safety data sheet (SDS) External MSDS
Related compounds
Other anions
 Ammonium thiosulfate
Ammonium sulfite
Ammonium sulfate
Ammonium persulfate
Other cations
 Sodium bisulfate
Potassium bisulfate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Ammonium bisulfate, also known as ammonium hydrogen sulfate, is a white, crystalline solid with the formula (NH4)HSO4. This salt is the product of the half-neutralization of sulfuric acid by ammonia.