산화주석(IV)

SnO₂

IUPAC: Tin(IV) oxide

CAS: 18282-10-5

개요

Tin(IV) oxide is the most important tin ore (cassiterite) and has been mined since the Bronze Age. It is a wide-bandgap n-type semiconductor used in transparent conductive coatings. Tin oxide coatings on glass provide electrical conductivity while remaining transparent.

구성

원소 기호 원자 원자 질량
산소 O 2 15.9990
주석 Sn 1 118.7100

원소 구성

O
21.2%
Sn
78.8%

용도

  • Tin ore (cassiterite)
  • Transparent conductive coatings on glass
  • Gas sensors
  • Ceramic opacifier

흥미로운 사실

  • Bronze Age civilizations were built on tin mining — cassiterite was one of the most sought-after minerals

안전

  • ⚠ Low toxicity
  • ⚠ Dust inhalation may irritate lungs

구조

SMILES

[O-2].[O-2].[Sn+4]

성질

유형
oxide
상태
solid
몰 질량
150.71 g/mol
밀도
6.9500 g/cm³
녹는점
1630.0 °C
끓는점
1800.0 °C
용해도
insoluble

분자 기술자

정확 질량
151.8920
TPSA
2.0 Ų
수소결합 주개
0
수소결합 받개
2
회전 가능 결합
0
중원자
3
복잡도
0.0

다른 이름

Stannic oxide Cassiterite

Frequently Asked Questions

What is 산화주석(IV)?
산화주석(IV) (SnO₂) is a oxide compound with the IUPAC name Tin(IV) oxide.
What is the molecular weight of 산화주석(IV)?
산화주석(IV) has a molar mass of 150.71 g/mol.
What state is 산화주석(IV) at room temperature?
산화주석(IV) is a solid at room temperature.
Is 산화주석(IV) organic or inorganic?
산화주석(IV) is classified as an inorganic compound.
What elements make up 산화주석(IV)?
산화주석(IV) (SnO₂) is composed of 산소 (O), 주석 (Sn).