Sulfur tetroxide
四氧化硫
Also known as: Sulfur peroxide, Sulfur tetraoxide, Sulfur oxide (SO4)
Sulfur tetroxide (CAS 12772-98-4) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H2O4S and a molecular weight of 98.079 g/mol. It is also known as Sulfur peroxide, Sulfur tetraoxide and Sulfur oxide (SO4). Key property: a melting point of 3℃ (decomposition). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 12772-98-4
- Jingsj CID
- J-1529330-3
- Molecular Formula
- H2O4S
- Chinese Name
- 四氧化硫
- Molecular Weight
- 98.079 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 3℃ (decomposition) |
|---|
Frequently Asked Questions
What is the CAS number of Sulfur tetroxide?
The CAS number of Sulfur tetroxide is 12772-98-4.
What are the molecular formula and molecular weight of Sulfur tetroxide?
Sulfur tetroxide has molecular formula H2O4S and molecular weight 98.079 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Sulfur tetroxide (CAS 12772-98-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1529330-3 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.