Diammonium Phosphate

(NH₄)₂HPO₄

IUPAC: Diammonium hydrogen phosphate

CAS: 7783-28-0

Overview

Diammonium phosphate (DAP) is the most widely used phosphorus fertilizer in the world. It provides both nitrogen and phosphorus essential for plant growth.

Composition

Element Symbol Atoms Atomic Mass
Hydrogen H 9 1.0080
Nitrogen N 2 14.0070
Oxygen O 4 15.9990
Phosphorus P 1 30.9740

Elemental Composition

H
Hydrogen ×9
6.9%
N
Nitrogen ×2
21.2%
O
Oxygen ×4
48.5%
P
Phosphorus ×1
23.5%

Uses

  • • Fertilizer
  • • Fire retardant
  • • Yeast nutrient in brewing

Fun Facts

  • ✦ The world produces over 30 million tonnes of DAP annually

Structure

SMILES

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

Properties

Type
salt
State
solid
Molar Mass
132.06 g/mol
Density
1.6190 g/cm³
Melting Point
155.0 °C
Solubility
588 g/L at 20°C

Molecular Descriptors

Exact Mass
132.0300
TPSA
85.4 Ų
H-Bond Donors
3
H-Bond Acceptors
4
Rotatable Bonds
0
Heavy Atoms
7
Complexity
46.0

Related Compounds

Ammonium Bicarbonate

NH₄HCO₃

Ammonium Chloride

NH₄Cl

Ammonium Sulfate

(NH₄)₂SO₄

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

Frequently Asked Questions

What is Diammonium Phosphate?
Diammonium Phosphate ((NH₄)₂HPO₄) is a salt compound with the IUPAC name Diammonium hydrogen phosphate.
What is the molecular weight of Diammonium Phosphate?
Diammonium Phosphate has a molar mass of 132.06 g/mol.
What state is Diammonium Phosphate at room temperature?
Diammonium Phosphate is a solid at room temperature.
Is Diammonium Phosphate organic or inorganic?
Diammonium Phosphate is classified as an inorganic compound.
What elements make up Diammonium Phosphate?
Diammonium Phosphate ((NH₄)₂HPO₄) is composed of Hydrogen (H), Nitrogen (N), Oxygen (O), Phosphorus (P).