Ammonium Sulfate

(NH₄)₂SO₄

IUPAC: Ammonium sulfate

CAS: 7783-20-2

Overview

Ammonium sulfate is one of the oldest and most widely used nitrogen fertilizers. It provides both nitrogen and sulfur to crops.

Composition

Element Symbol Atoms Atomic Mass
Hydrogen H 8 1.0080
Nitrogen N 2 14.0070
Oxygen O 4 15.9990
Sulfur S 1 32.0600

Elemental Composition

H
Hydrogen ×8
6.1%
N
Nitrogen ×2
21.2%
O
Oxygen ×4
48.4%
S
Sulfur ×1
24.3%

Uses

  • • Fertilizer
  • • Food additive
  • • Protein precipitation in biochemistry

Fun Facts

  • ✦ First produced in the 18th century from coal gas purification

Structure

SMILES

[NH4+].[NH4+].[O-]S(=O)(=O)[O-]

Properties

Type
salt
State
solid
Molar Mass
132.14 g/mol
Density
1.7700 g/cm³
Melting Point
235.0 °C
Solubility
744 g/L at 20°C

Molecular Descriptors

Exact Mass
132.0205
TPSA
90.6 Ų
H-Bond Donors
2
H-Bond Acceptors
4
Rotatable Bonds
0
Heavy Atoms
7
Complexity
62.0

Related Compounds

Ammonium Bicarbonate

NH₄HCO₃

Ammonium Chloride

NH₄Cl

Barium Carbonate

BaCO₃

Barium Chloride

BaCl₂

Barium Sulfate

BaSO₄

Cadmium Sulfide

CdS

Calcium Acetate

Ca(C₂H₃O₂)₂

Calcium Carbonate

CaCO₃

Calcium Citrate

Ca₃(C₆H₅O₇)₂

Calcium Fluoride

CaF₂

Frequently Asked Questions

What is Ammonium Sulfate?
Ammonium Sulfate ((NH₄)₂SO₄) is a salt compound with the IUPAC name Ammonium sulfate.
What is the molecular weight of Ammonium Sulfate?
Ammonium Sulfate has a molar mass of 132.14 g/mol.
What state is Ammonium Sulfate at room temperature?
Ammonium Sulfate is a solid at room temperature.
Is Ammonium Sulfate organic or inorganic?
Ammonium Sulfate is classified as an inorganic compound.
What elements make up Ammonium Sulfate?
Ammonium Sulfate ((NH₄)₂SO₄) is composed of Hydrogen (H), Nitrogen (N), Oxygen (O), Sulfur (S).