Urea Ammonium Nitrate

CO(NH₂)₂·NH₄NO₃

IUPAC: Urea ammonium nitrate solution

CAS: 15978-77-5

Overview

UAN solution is the most widely used liquid nitrogen fertilizer, typically at 28-32% N concentration. It combines the benefits of three nitrogen forms.

Composition

Element Symbol Atoms Atomic Mass
Hydrogen H 8 1.0080
Carbon C 1 12.0110
Nitrogen N 4 14.0070
Oxygen O 2 15.9990

Elemental Composition

H
Hydrogen ×8
4.2%
C
Carbon ×1
6.2%
N
Nitrogen ×4
29.0%
O
Oxygen ×2
16.6%

Uses

  • • Liquid nitrogen fertilizer
  • • Foliar feeding

Fun Facts

  • ✦ Provides three forms of nitrogen (ammoniacal, nitrate, urea) for immediate and sustained plant nutrition

Safety

  • ⚠ Oxidizer component
  • ⚠ Corrosive to metals

Structure

SMILES

C(=O)(N)N.[NH4+].[N+](=O)(O)[O-]

Properties

Type
salt
State
liquid
Molar Mass
193.12 g/mol
Density
1.2800 g/cm³
Melting Point
-17.0 °C
Solubility
miscible

Molecular Descriptors

Exact Mass
141.0624
TPSA
136.0 Ų
H-Bond Donors
4
H-Bond Acceptors
4
Rotatable Bonds
0
Heavy Atoms
9
Complexity
53.0

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 Urea Ammonium Nitrate?
Urea Ammonium Nitrate (CO(NH₂)₂·NH₄NO₃) is a salt compound with the IUPAC name Urea ammonium nitrate solution.
What is the molecular weight of Urea Ammonium Nitrate?
Urea Ammonium Nitrate has a molar mass of 193.12 g/mol.
What state is Urea Ammonium Nitrate at room temperature?
Urea Ammonium Nitrate is a liquid at room temperature.
Is Urea Ammonium Nitrate organic or inorganic?
Urea Ammonium Nitrate is classified as an inorganic compound.
What elements make up Urea Ammonium Nitrate?
Urea Ammonium Nitrate (CO(NH₂)₂·NH₄NO₃) is composed of Hydrogen (H), Carbon (C), Nitrogen (N), Oxygen (O).