Sulfur Trioxide
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Cite "Sulfur Trioxide"
Sulfur Trioxide. (n.d.). In Compound. Retrieved from /compound/sulfur-trioxide/
"Sulfur Trioxide." Compound, /compound/sulfur-trioxide/.
@misc{sulfur-trioxide, title={Sulfur Trioxide}, url={/compound/sulfur-trioxide/}}
IUPAC: Sulfur trioxide
CAS: 7446-11-9
Overview
Sulfur trioxide is a key intermediate in sulfuric acid production via the contact process. It reacts vigorously with water.
Composition
Uses
- • Sulfuric acid production
- • Sulfonation agent
Fun Facts
- ✦ SO₃ exists in three solid forms: α, β, and γ polymorphs
Safety
- ⚠ Corrosive
- ⚠ Reacts violently with water
- ⚠ Toxic
Structure
SMILES
O=S(=O)=O
Properties
- Type
- oxide
- State
- liquid
- Molar Mass
- 80.06 g/mol
- Density
- 1.9200 g/cm³
- Melting Point
- 16.9 °C
- Boiling Point
- 45.0 °C
- Solubility
- 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).