Sodium Hydroxide

NaOH

IUPAC: Sodium hydroxide

CAS: 1310-73-2

Aperçu

Sodium hydroxide (lye/caustic soda) is a strong base widely used in industry. It is highly caustic and can dissolve organic materials including skin and hair.

Composition

Élément Symbole Atomes Masse atomique
Hydrogen H 1 1,0080
Oxygen O 1 15,9990
Sodium Na 1 22,9900

Composition élémentaire

H
Hydrogen ×1
2,5%
O
Oxygen ×1
40,0%
Na
Sodium ×1
57,5%

Usages

  • • Soap making
  • • Paper production
  • • Drain cleaner
  • • Petroleum refining

Le saviez-vous

  • ✦ NaOH is used in the traditional process of making pretzels and lutefisk

Sécurité

  • ⚠ Highly corrosive
  • ⚠ Causes severe chemical burns
  • ⚠ Exothermic when dissolved

Structure

SMILES

[OH-].[Na+]

Propriétés

Type
base
État
solid
Masse molaire
40,00 g/mol
Densité
2,1300 g/cm³
Point de fusion
318,0 °C
Point d'ébullition
1388,0 °C
Solubilité
1110 g/L at 20°C

Molecular Descriptors

Exact Mass
39,9925
TPSA
1,0 Ų
H-Bond Donors
1
H-Bond Acceptors
1
Rotatable Bonds
0
Heavy Atoms
2
Complexity
2,0

Composés associés

Calcium Hydroxide

Ca(OH)₂

Magnesium Hydroxide

Mg(OH)₂

Ammonia

NH₃

Aluminum Hydroxide

Al(OH)₃

Barium Hydroxide

Ba(OH)₂

Potassium Hydroxide

KOH

Lithium Hydroxide

LiOH

Sodium Hydroxide Solution

NaOH(aq)

Frequently Asked Questions

What is Sodium Hydroxide?
Sodium Hydroxide (NaOH) is a base compound with the IUPAC name Sodium hydroxide.
What is the molecular weight of Sodium Hydroxide?
Sodium Hydroxide has a molar mass of 40.0 g/mol.
What state is Sodium Hydroxide at room temperature?
Sodium Hydroxide is a solid at room temperature.
Is Sodium Hydroxide organic or inorganic?
Sodium Hydroxide is classified as an inorganic compound.
What elements make up Sodium Hydroxide?
Sodium Hydroxide (NaOH) is composed of Hydrogen (H), Oxygen (O), Sodium (Na).