Tantalum Pentoxide

Ta₂O₅

IUPAC: Tantalum(V) oxide

CAS: 1314-61-0

概要

Tantalum pentoxide is a high-dielectric material used in electronic capacitors and as an anti-reflective coating for camera lenses. It is extremely chemically resistant and is used in high-end electronics where miniaturization requires thin, high-capacitance layers.

組成

元素 記号 原子 原子質量
Oxygen O 5 15.9990
Tantalum Ta 2 180.9500

元素組成

O
Oxygen ×5
18.1%
Ta
Tantalum ×2
81.9%

用途

  • • Electronic capacitor dielectric
  • • Anti-reflective lens coating
  • • High-k gate dielectric
  • • Optical coating

豆知識

  • ✦ Found in virtually every smartphone and laptop as capacitor dielectric material

安全性

  • ⚠ Low toxicity

Structure

SMILES

[O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5]

特性

タイプ
oxide
状態
solid
モル質量
441.89 g/mol
密度
8.2000 g/cm³
融点
1872.0 °C
溶解度
insoluble

Molecular Descriptors

Exact Mass
441.8706
TPSA
5.0 Ų
H-Bond Donors
0
H-Bond Acceptors
5
Rotatable Bonds
0
Heavy Atoms
7
Complexity
0.0

別名

Tantalum pentoxide

関連化合物

Bismuth(III) Oxide

Bi₂O₃

Carbon Monoxide

CO

Chromium Trioxide

CrO₃

Cobalt(II) Oxide

CoO

Copper(I) Oxide

Cu₂O

Lithium Nickel Manganese Cobalt Oxide

LiNi₀.₃₃Mn₀.₃₃Co₀.₃₃O₂

Gallium(III) Oxide

Ga₂O₃

Aluminum Oxide

Al₂O₃

Antimony Trioxide

Sb₂O₃

Cadmium Oxide

CdO

Frequently Asked Questions

What is Tantalum Pentoxide?
Tantalum Pentoxide (Ta₂O₅) is a oxide compound with the IUPAC name Tantalum(V) oxide.
What is the molecular weight of Tantalum Pentoxide?
Tantalum Pentoxide has a molar mass of 441.893 g/mol.
What state is Tantalum Pentoxide at room temperature?
Tantalum Pentoxide is a solid at room temperature.
Is Tantalum Pentoxide organic or inorganic?
Tantalum Pentoxide is classified as an inorganic compound.
What elements make up Tantalum Pentoxide?
Tantalum Pentoxide (Ta₂O₅) is composed of Oxygen (O), Tantalum (Ta).