3-(2-Thienyl)acrylic acid
Also known as: 2-Thiopheneacrylic acid, 3-(2-Thienyl)-2-propenoic acid, 3-(Thien-2-yl)acrylic acid, 3-(Thiophen-2-yl)acrylic acid, 3-Thiophen-2-yl-acrylic acid, 2-Propenoic acid, 3-(2-thienyl)-, (2E)-, β-(2-Thienyl)acrylic acid, AKOS BBS-00006463, EINECS 214-402-0
3-(2-Thienyl)acrylic acid (CAS 1124-65-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H6O2S and a molecular weight of 154.186 g/mol. Key properties include a melting point of 145-148 °C(lit.), a boiling point of 298.9±15.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 134.6±20.4 °C. 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.
- 1124-65-8
- Jingsj CID
- J-24289-7
- Molecular Formula
- C7H6O2S
- Molecular Weight
- 154.186 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 145-148 °C(lit.) |
|---|---|
| Boiling Point | 298.9±15.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 134.6±20.4 °C |
| Exact Mass | 154.008850 |
| PSA | 65.54000 |
| LogP | 2.23 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.656 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory 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 3-(2-Thienyl)acrylic acid?
The CAS number of 3-(2-Thienyl)acrylic acid is 1124-65-8.
What are the molecular formula and molecular weight of 3-(2-Thienyl)acrylic acid?
3-(2-Thienyl)acrylic acid has molecular formula C7H6O2S and molecular weight 154.186 g/mol.
Is 3-(2-Thienyl)acrylic acid hazardous?
3-(2-Thienyl)acrylic 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 3-(2-Thienyl)acrylic acid?
For 3-(2-Thienyl)acrylic acid, Upstream Products: 2-Iodothiophene, acrylic acid methyl ester, 2-Thiophenecarboxaldehyde; Downstream Products: 5-(2-THIENYL)TETRAHYDROTHIOPHEN-3-ONE, (E)-2-(2-Nitroethenyl)thiophene, 3-(2-Thienyl)propanoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-(2-Thienyl)acrylic acid (CAS 1124-65-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24289-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.