2,2-Di(thiophen-2-yl)acetic acid
Also known as: Bis(2-thienyl)acetic acid, Di(2-thienyl)acetic acid, 2,2-Bis(thiophen-2-yl)acetic acid, 2,2-Dithien-2-ylacetic acid, 2,2-Dithiophen-2-ylacetic acid, 2-Thiopheneacetic acid, α-2-thienyl-, Acetic acid, di-2-thienyl-, Dithien-2-ylacetic acid, Di-thiophen-2-yl-acetic acid, NSC 41633, Tiotropium Bromide Impurity 14
2,2-Di(thiophen-2-yl)acetic acid (CAS 4408-82-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H8O2S2 and a molecular weight of 224.29900 g/mol. Key properties include a boiling point of 375.1ºC at 760 mmHg, a density of 1.404g/cm3 and a flash point of 180.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4408-82-6
- Jingsj CID
- J-1519893-3
- Molecular Formula
- C10H8O2S2
- Molecular Weight
- 224.29900 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 375.1ºC at 760 mmHg |
|---|---|
| Density | 1.404g/cm3 |
| Flash Point | 180.7ºC |
| Exact Mass | 223.99700 |
| PSA | 93.78000 |
| LogP | 3.02610 |
| Refractive Index | 1.654 |
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 2,2-Di(thiophen-2-yl)acetic acid?
The CAS number of 2,2-Di(thiophen-2-yl)acetic acid is 4408-82-6.
What are the molecular formula and molecular weight of 2,2-Di(thiophen-2-yl)acetic acid?
2,2-Di(thiophen-2-yl)acetic acid has molecular formula C10H8O2S2 and molecular weight 224.29900 g/mol.
What are the upstream and downstream products of 2,2-Di(thiophen-2-yl)acetic acid?
For 2,2-Di(thiophen-2-yl)acetic acid, Upstream Products: 2-(2-Thiophenylmethyl)thiophene, Carbon dioxide, Diethylene glycol; Downstream Products: Tiotropium bromide monohydrate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,2-Di(thiophen-2-yl)acetic acid (CAS 4408-82-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1519893-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.