Lanthanum Oxide

La₂O₃

IUPAC: Lanthanum(III) oxide

CAS: 1312-81-8

Ikhtisar

Lanthanum oxide is used in optical glass, catalytic converters, and as a phosphate binder in medicine. It is a key rare earth oxide.

Komposisi

Unsur Simbol Atom Massa Atom
Oxygen O 3 15,9990
Lanthanum La 2 138,9100

Komposisi Elemental

O
Oxygen ×3
14,7%
La
Lanthanum ×2
85,3%

Kegunaan

  • • Optical glass
  • • Catalytic converter
  • • Phosphate binder (renal patients)
  • • Camera lens coatings

Fakta Menarik

  • ✦ High-quality camera lenses use lanthanum glass for superior color correction

Structure

SMILES

[O-2].[O-2].[O-2].[La+3].[La+3]

Sifat

Jenis
oxide
Keadaan
solid
Massa Molar
325,81 g/mol
Kerapatan
6,5100 g/cm³
Titik Lebur
2315,0 °C
Titik Didih
4200,0 °C
Kelarutan
insoluble

Molecular Descriptors

Exact Mass
325,7975
TPSA
3,0 Ų
H-Bond Donors
0
H-Bond Acceptors
3
Rotatable Bonds
0
Heavy Atoms
5
Complexity
0,0

Senyawa Terkait

Copper(I) Oxide

Cu₂O

Aluminum Oxide

Al₂O₃

Beryllium Oxide

BeO

Calcium Oxide

CaO

Boron Trioxide

B₂O₃

Copper(II) Oxide

CuO

Molybdenum Trioxide

MoO₃

Magnesium Oxide

MgO

Manganese Dioxide

MnO₂

Cadmium Oxide

CdO

Frequently Asked Questions

What is Lanthanum Oxide?
Lanthanum Oxide (La₂O₃) is a oxide compound with the IUPAC name Lanthanum(III) oxide.
What is the molecular weight of Lanthanum Oxide?
Lanthanum Oxide has a molar mass of 325.81 g/mol.
What state is Lanthanum Oxide at room temperature?
Lanthanum Oxide is a solid at room temperature.
Is Lanthanum Oxide organic or inorganic?
Lanthanum Oxide is classified as an inorganic compound.
What elements make up Lanthanum Oxide?
Lanthanum Oxide (La₂O₃) is composed of Oxygen (O), Lanthanum (La).