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sulfur trioxide

O3S

CAS7446-11-9

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Identification

CAS Number: 7446-11-9
EC Number: 231-197-3
UN Number: 1829
PubChem CID: 24682

Physical-chemical properties

Molecular Formula: O3S
Molar Mass: 80.07 g/mol
IUPAC Name: sulfur trioxide

Chemical Identifiers

InChI: InChI=1S/O3S/c1-4(2)3
InChI Key: AKEJUJNQAAGONA-UHFFFAOYSA-N

Overview

sulfur trioxide (CAS: 7446-11-9) is a chemical compound widely used in industry. The molecular formula is O3S. The molar mass is 80.07 g/mol.

Safety & Classification

No Hazard Classification

This substance is not classified as hazardous according to CLP Regulation (EC) No 1272/2008.

Transport (ADR)

UN Number	1829
ADR Class	8
Packing Group	I
Tunnel Code	E
Proper Shipping Name	Schwefeltrioxid, stabilisiert
Marine Pollutant	No

Frequently Asked Questions

What is sulfur trioxide?

sulfur trioxide (CAS 7446-11-9) is a chemical substance with the formula O3S used in various industrial applications.

What are the properties of sulfur trioxide?

sulfur trioxide has a molar mass of 80.07 g/mol. See the technical data above for more details.

How to store sulfur trioxide safely?

sulfur trioxide should be stored according to the Safety Data Sheet instructions. Follow the GHS labeling and keep the substance in a cool, dry and well-ventilated place.

Is sulfur trioxide dangerous?

The hazard level of sulfur trioxide depends on the application. Always follow the safety instructions in the data sheet.

Where can I buy sulfur trioxide?

You can order sulfur trioxide (CAS 7446-11-9) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.