4-Ethylbenzenesulfonic acid
Also known as: p-Ethylbenzenesulfonic acid, 4-ethyl-benzenesulfonic acid, Benzenesulfonic acid, 4-ethyl-, p-ethylbenzenesulphonic acid, phenylethane-p-sulfonate, ethylbenzene-4-sulphonic acid
4-Ethylbenzenesulfonic acid (CAS 98-69-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H10O3S and a molecular weight of 186.228 g/mol. Key properties include a density of 1.3±0.1 g/cm3 and a flash point of >110.0 °C. 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 Nov 3, 2026.
- CAS No.
- 98-69-1
- Jingsj CID
- J-10518-0
- Molecular Formula
- C8H10O3S
- Molecular Weight
- 186.228 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.3±0.1 g/cm3 |
|---|---|
| Flash Point | >110.0 °C |
| Exact Mass | 186.035065 |
| PSA | 62.75000 |
| LogP | 1.46 |
| Refractive Index | 1.552 |
| Stability | Stability Combustible. Incompatible with strong oxidizing agents, strong bases. |
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 4-Ethylbenzenesulfonic acid?
The CAS number of 4-Ethylbenzenesulfonic acid is 98-69-1.
What are the molecular formula and molecular weight of 4-Ethylbenzenesulfonic acid?
4-Ethylbenzenesulfonic acid has molecular formula C8H10O3S and molecular weight 186.228 g/mol.
Is 4-Ethylbenzenesulfonic acid hazardous?
4-Ethylbenzenesulfonic 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 4-Ethylbenzenesulfonic acid?
For 4-Ethylbenzenesulfonic acid, Upstream Products: ether, 4-Ethylbenzenesulfonyl chloride, 3-Ethylbenzenesulfonic acid; Downstream Products: benzoic acid, 4-Hydroxybenzoic acid, 4-Ethylphenol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Ethylbenzenesulfonic acid (CAS 98-69-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10518-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.