1-Propanesulfonic acid
Also known as: propylsulfonic acid, propane-1-sulfonic acid, propanesulfonic acid, propanesulphonic acid, n-propylsulfonic acid, PROPANESULFONIC ACID, 1-propanesulfonic acid
1-Propanesulfonic acid (CAS 5284-66-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H8O3S and a molecular weight of 124.159 g/mol. Key properties include a melting point of 8 °C and a density of 1.3±0.1 g/cm3. 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.
- 5284-66-2
- Jingsj CID
- J-1353542-7
- Molecular Formula
- C3H8O3S
- Molecular Weight
- 124.159 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 8 °C |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Exact Mass | 124.019417 |
| PSA | 62.75000 |
| LogP | -0.83 |
| Appearance | liquid (clear) | clear brown |
| Refractive Index | 1.456 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
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 1-Propanesulfonic acid?
The CAS number of 1-Propanesulfonic acid is 5284-66-2.
What are the molecular formula and molecular weight of 1-Propanesulfonic acid?
1-Propanesulfonic acid has molecular formula C3H8O3S and molecular weight 124.159 g/mol.
Is 1-Propanesulfonic acid hazardous?
1-Propanesulfonic acid has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 1-Propanesulfonic acid?
For 1-Propanesulfonic acid, Upstream Products: 1-Propanethiol, Dipropyl disulfide, 1-bromopropane; Downstream Products: Dipropyl disulfide, methyl propane-1-sulfonate, 1-Propanesulfonyl chloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Propanesulfonic acid (CAS 5284-66-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1353542-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.