Chlorosulfonic acid
Also known as: Chlorosulfuric acid, Chlorosulphuric acid, Monochlorosulfuric acid, Sulfuric chlorohydrin, sulfurochloridic acid, chloro-sulphonic acid
Chlorosulfonic acid (CAS 7790-94-5) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula HClO3S and a molecular weight of 116.524 g/mol. Key properties include a melting point of -80°C, a boiling point of 158.0±9.0 °C at 760 mmHg, a density of 2.0±0.1 g/cm3 and a flash point of 158°C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 7790-94-5
- Jingsj CID
- J-24061-9
- Molecular Formula
- HClO3S
- Molecular Weight
- 116.524 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -80°C |
|---|---|
| Boiling Point | 158.0±9.0 °C at 760 mmHg |
| Density | 2.0±0.1 g/cm3 |
| Flash Point | 158°C |
| Exact Mass | 115.933495 |
| PSA | 62.75000 |
| LogP | 0.11 |
| Additional Property | 4 (vs air) |
| Vapor Pressure | 1.4±0.6 mmHg at 25°C |
| Refractive Index | 1.501 |
| Additional Property | reacts |
Customs & Trade Information
| HS Code | 2806200000 |
|---|
Frequently Asked Questions
What is the CAS number of Chlorosulfonic acid?
The CAS number of Chlorosulfonic acid is 7790-94-5.
What are the molecular formula and molecular weight of Chlorosulfonic acid?
Chlorosulfonic acid has molecular formula HClO3S and molecular weight 116.524 g/mol.
What are the upstream and downstream products of Chlorosulfonic acid?
For Chlorosulfonic acid, Upstream Products: Sulfur trioxide, Fluorosulfonic acid, pyrosulfuryl chloride; Downstream Products: 4,4'-Difluorodiphenyl sulfone, 2-Chloropropionic acid, 3-Bromo-4-chlorobenzoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Chlorosulfonic acid (CAS 7790-94-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24061-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.