Sodium Hydroxide

NaOH

IUPAC: Sodium hydroxide

CAS: 1310-73-2

Ikhtisar

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.

Komposisi

Unsur Simbol Atom Massa Atom
Hydrogen H 1 1,0080
Oxygen O 1 15,9990
Sodium Na 1 22,9900

Komposisi Elemental

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

Kegunaan

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

Fakta Menarik

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

Keselamatan

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

Structure

SMILES

[OH-].[Na+]

Sifat

Jenis
base
Keadaan
solid
Massa Molar
40,00 g/mol
Kerapatan
2,1300 g/cm³
Titik Lebur
318,0 °C
Titik Didih
1388,0 °C
Kelarutan
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

Senyawa Terkait

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).