Ethanesulfonic acid
Also known as: Ethanesulfonic acid, Ethylsulfonic acid, Ethylsulphonic acid, 1-Ethanesulfonic acid, Ethan sulfonic acid, Ethane sulfonic acid
Ethanesulfonic acid (CAS 594-45-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H6O3S and a molecular weight of 110.132 g/mol. Key properties include a melting point of −17 °C(lit.), a boiling point of 394.9±0.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of >110.0 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 594-45-6
- Jingsj CID
- J-3317-0
- Molecular Formula
- C2H6O3S
- Molecular Weight
- 110.132 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −17 °C(lit.) |
|---|---|
| Boiling Point | 394.9±0.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | >110.0 °C |
| Exact Mass | 110.003761 |
| PSA | 62.75000 |
| LogP | -1.36 |
| Vapor Pressure | 0.0±1.9 mmHg at 25°C |
| Refractive Index | 1.453 |
| Storage Conditions | 2-8°C |
| Additional Property | soluble |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 29041000 |
|---|
Frequently Asked Questions
What is the CAS number of Ethanesulfonic acid?
The CAS number of Ethanesulfonic acid is 594-45-6.
What are the molecular formula and molecular weight of Ethanesulfonic acid?
Ethanesulfonic acid has molecular formula C2H6O3S and molecular weight 110.132 g/mol.
Is Ethanesulfonic acid hazardous?
Ethanesulfonic acid has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of Ethanesulfonic acid?
For Ethanesulfonic acid, Upstream Products: Diethyl disulfide, Ethanethiol, Vinylsulfonic acid; Downstream Products: sulfoacetic acid, Methanedisulfonic acid, acetic 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. "Ethanesulfonic acid (CAS 594-45-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3317-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.