Methanedisulfonic acid
Also known as: Methanedisulphonic acid, Methionic acid, Methylenedisulfonic acid, Methylenedisulphonic acid, Disulfomethane, Methandisulfonsaeure, Methionsaeure
Methanedisulfonic acid (CAS 503-40-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula CH4O6S2 and a molecular weight of 176.169 g/mol. Key properties include a melting point of 107-109ºC and a density of 2.1±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 503-40-2
- Jingsj CID
- J-1929100-0
- Molecular Formula
- CH4O6S2
- Molecular Weight
- 176.169 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 107-109ºC |
|---|---|
| Density | 2.1±0.1 g/cm3 |
| Exact Mass | 175.944931 |
| PSA | 125.50000 |
| LogP | -3.86 |
| Refractive Index | 1.581 |
Customs & Trade Information
| HS Code | 2904100000 |
|---|---|
| Summary | 2904100000 derivatives containing only sulpho groups, their salts and ethyl esters。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Methanedisulfonic acid?
The CAS number of Methanedisulfonic acid is 503-40-2.
What are the molecular formula and molecular weight of Methanedisulfonic acid?
Methanedisulfonic acid has molecular formula CH4O6S2 and molecular weight 176.169 g/mol.
What are the upstream and downstream products of Methanedisulfonic acid?
For Methanedisulfonic acid, Upstream Products: Dibromomethane, Acetamide, sulfoacetic acid; Downstream Products: 1-Propanol, 2-Methylbut-2-ene, Isopentyl ether.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methanedisulfonic acid (CAS 503-40-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1929100-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.