삼산화황

SO₃

IUPAC: Sulfur trioxide

CAS: 7446-11-9

개요

Sulfur trioxide is a key intermediate in sulfuric acid production via the contact process. It reacts vigorously with water.

구성

원소 기호 원자 원자 질량
산소 O 3 15.9990
S 1 32.0600

원소 구성

O
60.0%
S
×1
40.0%

용도

  • Sulfuric acid production
  • Sulfonation agent

흥미로운 사실

  • SO₃ exists in three solid forms: α, β, and γ polymorphs

안전

  • ⚠ Corrosive
  • ⚠ Reacts violently with water
  • ⚠ Toxic

구조

SMILES

O=S(=O)=O

성질

유형
oxide
상태
liquid
몰 질량
80.06 g/mol
밀도
1.9200 g/cm³
녹는점
16.9 °C
끓는점
45.0 °C
용해도
Reacts violently

분자 기술자

정확 질량
79.9568
XLogP
-0.5
TPSA
52.2 Ų
수소결합 주개
0
수소결합 받개
3
회전 가능 결합
0
중원자
4
복잡도
61.0

Frequently Asked Questions

What is 삼산화황?
삼산화황 (SO₃) is a oxide compound with the IUPAC name Sulfur trioxide.
What is the molecular weight of 삼산화황?
삼산화황 has a molar mass of 80.06 g/mol.
What state is 삼산화황 at room temperature?
삼산화황 is a liquid at room temperature.
Is 삼산화황 organic or inorganic?
삼산화황 is classified as an inorganic compound.
What elements make up 삼산화황?
삼산화황 (SO₃) is composed of 산소 (O), 황 (S).