Aluminum Hydroxide

Al(OH)₃

IUPAC: Aluminium hydroxide

CAS: 21645-51-2

Aperçu

Aluminum hydroxide is an amphoteric substance used as an antacid and fire retardant. It can act as both an acid and a base.

Composition

Élément Symbole Atomes Masse atomique
Hydrogen H 3 1,0080
Oxygen O 3 15,9990
Aluminum Al 1 26,9820

Composition élémentaire

H
Hydrogen ×3
3,9%
O
Oxygen ×3
61,5%
Al
Aluminum ×1
34,6%

Usages

  • • Antacid
  • • Fire retardant
  • • Aluminum production (Bayer process)
  • • Vaccine adjuvant

Le saviez-vous

  • ✦ Al(OH)₃ is amphoteric — it dissolves in both acids and bases

Structure

SMILES

[OH-].[OH-].[OH-].[Al+3]

Propriétés

Type
base
État
solid
Masse molaire
78,00 g/mol
Densité
2,4200 g/cm³
Point de fusion
300,0 °C
Solubilité
0.001 g/L

Molecular Descriptors

Exact Mass
77,9898
TPSA
3,0 Ų
H-Bond Donors
3
H-Bond Acceptors
3
Rotatable Bonds
0
Heavy Atoms
4
Complexity
0,0

Composés associés

Calcium Hydroxide

Ca(OH)₂

Magnesium Hydroxide

Mg(OH)₂

Ammonia

NH₃

Barium Hydroxide

Ba(OH)₂

Potassium Hydroxide

KOH

Sodium Hydroxide

NaOH

Lithium Hydroxide

LiOH

Sodium Hydroxide Solution

NaOH(aq)

Frequently Asked Questions

What is Aluminum Hydroxide?
Aluminum Hydroxide (Al(OH)₃) is a base compound with the IUPAC name Aluminium hydroxide.
What is the molecular weight of Aluminum Hydroxide?
Aluminum Hydroxide has a molar mass of 78.0 g/mol.
What state is Aluminum Hydroxide at room temperature?
Aluminum Hydroxide is a solid at room temperature.
Is Aluminum Hydroxide organic or inorganic?
Aluminum Hydroxide is classified as an inorganic compound.
What elements make up Aluminum Hydroxide?
Aluminum Hydroxide (Al(OH)₃) is composed of Hydrogen (H), Oxygen (O), Aluminum (Al).