Sulfur Trioxide

SO₃

IUPAC: Sulfur trioxide

CAS: 7446-11-9

نظرة عامة

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

التركيب

العنصر الرمز الذرات الكتلة الذرية
Oxygen O 3 15,9990
Sulfur S 1 32,0600

التركيب العنصري

O
60,0%
S
40,0%

الاستخدامات

  • Sulfuric acid production
  • Sulfonation agent

حقائق مثيرة

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

السلامة

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

Structure

SMILES

O=S(=O)=O

الخصائص

النوع
oxide
الحالة
liquid
الكتلة المولية
80,06 g/mol
الكثافة
1,9200 g/cm³
نقطة الانصهار
16,9 °C
نقطة الغليان
45,0 °C
الذوبانية
Reacts violently

Molecular Descriptors

Exact Mass
79,9568
XLogP
-0,5
TPSA
52,2 Ų
H-Bond Donors
0
H-Bond Acceptors
3
Rotatable Bonds
0
Heavy Atoms
4
Complexity
61,0

Frequently Asked Questions

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