3-(2-Thienyl)acrylic acid
Also known as: 2-Thiopheneacrylic acid, trans-2-Thiopheneacrylic acid, (E)-3-(2-Thienyl)acrylic acid, 3-(Thiophen-2-yl)acrylic acid, MFCD00005455
3-(2-Thienyl)acrylic acid (CAS 15690-25-2) 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 154.18600 g/mol. Key properties include a melting point of 145-148ºC, a boiling point of 298.9ºC at 760 mmHg, a density of 1.2950 (rough estimate) and a flash point of 134.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 15690-25-2
- Jingsj CID
- J-22866-0
- Molecular Formula
- C7H6O2S
- Molecular Weight
- 154.18600 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 145-148ºC |
|---|---|
| Boiling Point | 298.9ºC at 760 mmHg |
| Density | 1.2950 (rough estimate) |
| Flash Point | 134.6ºC |
| Exact Mass | 154.00900 |
| PSA | 65.54000 |
| LogP | 1.84590 |
| Vapor Pressure | 0.000551mmHg at 25°C |
| Refractive Index | 1.5100 (estimate) |
Frequently Asked Questions
What is the CAS number of 3-(2-Thienyl)acrylic acid?
The CAS number of 3-(2-Thienyl)acrylic acid is 15690-25-2.
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 154.18600 g/mol.
What are the upstream and downstream products of 3-(2-Thienyl)acrylic acid?
For 3-(2-Thienyl)acrylic acid, Downstream Products: 3-(2-Thienyl)propanoic acid, 5,6-Dihydro-4H-cyclopenta[b]thiophen-4-one, 2-Ethynylthiophene.
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 15690-25-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22866-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.