Potassium Nitrate

KNO₃

IUPAC: Potassium nitrate

CAS: 7757-79-1

Aperçu

Potassium nitrate (saltpeter) is a key component of gunpowder and an important fertilizer. It provides both potassium and nitrogen to plants.

Composition

Élément Symbole Atomes Masse atomique
Nitrogen N 1 14,0070
Oxygen O 3 15,9990
Potassium K 1 39,0980

Composition élémentaire

N
Nitrogen ×1
13,9%
O
Oxygen ×3
47,5%
K
Potassium ×1
38,7%

Usages

  • • Gunpowder
  • • Fertilizer
  • • Food preservation
  • • Fireworks oxidizer

Le saviez-vous

  • ✦ Gunpowder is roughly 75% KNO₃, 15% charcoal, and 10% sulfur

Sécurité

  • ⚠ Oxidizer
  • ⚠ Can intensify fires

Structure

SMILES

[N+](=O)([O-])[O-].[K+]

Propriétés

Type
salt
État
solid
Masse molaire
101,10 g/mol
Densité
2,1100 g/cm³
Point de fusion
334,0 °C
Point d'ébullition
400,0 °C
Solubilité
316 g/L at 20°C

Molecular Descriptors

Exact Mass
100,9515
TPSA
62,9 Ų
H-Bond Donors
0
H-Bond Acceptors
3
Rotatable Bonds
0
Heavy Atoms
5
Complexity
18,0

Composés associés

Diammonium Phosphate

(NH₄)₂HPO₄

Ammonium Chloride

NH₄Cl

Barium Chloride

BaCl₂

Cadmium Sulfide

CdS

Calcium Sulfate

CaSO₄

Cerium(III) Chloride

CeCl₃

Copper(II) Sulfide

CuS

Ammonium Sulfate

(NH₄)₂SO₄

Ammonium Bicarbonate

NH₄HCO₃

Calcium Propionate

Ca(C₂H₅COO)₂

Frequently Asked Questions

What is Potassium Nitrate?
Potassium Nitrate (KNO₃) is a salt compound with the IUPAC name Potassium nitrate.
What is the molecular weight of Potassium Nitrate?
Potassium Nitrate has a molar mass of 101.1 g/mol.
What state is Potassium Nitrate at room temperature?
Potassium Nitrate is a solid at room temperature.
Is Potassium Nitrate organic or inorganic?
Potassium Nitrate is classified as an inorganic compound.
What elements make up Potassium Nitrate?
Potassium Nitrate (KNO₃) is composed of Nitrogen (N), Oxygen (O), Potassium (K).