4-(Thiophen-2-yl)benzoic acid
Also known as: 4-(2-Thienyl)benzoic acid, 4-Thiophen-2-ylbenzoic acid, 4-Thien-2-ylbenzoic acid, Benzoic acid, 4-(2-thienyl)-
4-(Thiophen-2-yl)benzoic acid (CAS 29886-62-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H8O2S and a molecular weight of 204.245 g/mol. Key properties include a melting point of 240ºC, a boiling point of 372.8±25.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 179.3±23.2 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 29886-62-2
- Jingsj CID
- J-1518589-4
- Molecular Formula
- C11H8O2S
- Molecular Weight
- 204.245 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 240ºC |
|---|---|
| Boiling Point | 372.8±25.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 179.3±23.2 °C |
| Exact Mass | 204.024506 |
| PSA | 65.54000 |
| LogP | 3.56 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.636 |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. 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 4-(Thiophen-2-yl)benzoic acid?
The CAS number of 4-(Thiophen-2-yl)benzoic acid is 29886-62-2.
What are the molecular formula and molecular weight of 4-(Thiophen-2-yl)benzoic acid?
4-(Thiophen-2-yl)benzoic acid has molecular formula C11H8O2S and molecular weight 204.245 g/mol.
Is 4-(Thiophen-2-yl)benzoic acid hazardous?
4-(Thiophen-2-yl)benzoic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 4-(Thiophen-2-yl)benzoic acid?
For 4-(Thiophen-2-yl)benzoic acid, Upstream Products: 4-Bromobenzoic acid, 4-Iodobenzoic acid, 2-Thienylmagnesium bromide; Downstream Products: 2-(4-Isocyanatophenyl)thiophene.
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-(Thiophen-2-yl)benzoic acid (CAS 29886-62-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518589-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.