2-Mercaptoethanesulfonic acid
Also known as: 2-Mercaptoethane-1-sulfonic acid, Coenzyme M, Reduced coenzyme M, 2-Sulfanylethanesulfonic acid, Mercaptoethanesulfonic acid, HS-CoM, 2-Mercaptoethanesulphonic acid
2-Mercaptoethanesulfonic acid (CAS 3375-50-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H6O3S2 and a molecular weight of 142.19700 g/mol. Key property: a density of 1.25. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3375-50-6
- Jingsj CID
- J-1373976-9
- Molecular Formula
- C2H6O3S2
- Molecular Weight
- 142.19700 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.25 |
|---|---|
| Exact Mass | 141.97600 |
| PSA | 101.55000 |
| LogP | 0.88480 |
| Refractive Index | 1.539 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-Mercaptoethanesulfonic acid?
The CAS number of 2-Mercaptoethanesulfonic acid is 3375-50-6.
What are the molecular formula and molecular weight of 2-Mercaptoethanesulfonic acid?
2-Mercaptoethanesulfonic acid has molecular formula C2H6O3S2 and molecular weight 142.19700 g/mol.
Is 2-Mercaptoethanesulfonic acid hazardous?
2-Mercaptoethanesulfonic acid has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Mercaptoethanesulfonic acid (CAS 3375-50-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1373976-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.