2-(4-Pyridyl)ethanesulfonic Acid
2-(4-吡啶基)乙磺酸
Also known as: 4-Pyridineethanesulfonic acid, 2-(Pyridin-4-yl)ethane-1-sulphonic acid, 2-pyridin-4-ylethanesulfonic acid, 4-PYRIDYL-2-ETHYL SULFONIC ACID, 4PYESA, PESA, Pyridin-4-ylethanesulfonic acid, PYRIDIN-4-YLETHANESULPHONIC ACID, PYRID-4-YLETHYLSULFONIC ACID
2-(4-Pyridyl)ethanesulfonic Acid (CAS 53054-76-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H9NO3S and a molecular weight of 187.21600 g/mol. It is also known as 4-Pyridineethanesulfonic acid, 2-(Pyridin-4-yl)ethane-1-sulphonic acid and 2-pyridin-4-ylethanesulfonic acid. Key properties include a melting point of 297-299 °C (dec.)(lit.) and a density of 1.397 g/cm3. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 53054-76-5
- Jingsj CID
- J-9743-3
- Molecular Formula
- C7H9NO3S
- Chinese Name
- 2-(4-吡啶基)乙磺酸
- Molecular Weight
- 187.21600 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 297-299 °C (dec.)(lit.) |
|---|---|
| Density | 1.397 g/cm3 |
| Exact Mass | 187.03000 |
| PSA | 75.64000 |
| LogP | 1.59270 |
| Refractive Index | 1.573 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2-(4-Pyridyl)ethanesulfonic Acid?
The CAS number of 2-(4-Pyridyl)ethanesulfonic Acid is 53054-76-5.
What are the molecular formula and molecular weight of 2-(4-Pyridyl)ethanesulfonic Acid?
2-(4-Pyridyl)ethanesulfonic Acid has molecular formula C7H9NO3S and molecular weight 187.21600 g/mol.
Is 2-(4-Pyridyl)ethanesulfonic Acid hazardous?
2-(4-Pyridyl)ethanesulfonic Acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 2-(4-Pyridyl)ethanesulfonic Acid?
For 2-(4-Pyridyl)ethanesulfonic Acid, Upstream Products: 4-Vinylpyridine.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-(4-Pyridyl)ethanesulfonic Acid (CAS 53054-76-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9743-3 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.