![Molecular structure of 2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene (CAS 924894-85-9)](/images/chem_structures_svg/114/924894-85-9.svg)
2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene
Also known as: Thieno[3,2-b]thiophene-2,5-bis(boronic acid pinacol ester), Thieno[3,2-b]thiophene-2,5-diboronic acid bis(pinacol ester), 2,2'-Thieno[3,2-b]thiene-2,5-diylbis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane), PM232
2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene (CAS 924894-85-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C18H26B2O4S2 and a molecular weight of 392.149 g/mol. Key properties include a boiling point of 501.0±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 256.8±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 924894-85-9
- Jingsj CID
- J-1495643-5
- Molecular Formula
- C18H26B2O4S2
- Molecular Weight
- 392.149 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 501.0±45.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 256.8±28.7 °C |
| Exact Mass | 392.145874 |
| PSA | 93.40000 |
| LogP | 3.56120 |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.551 |
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 2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene?
The CAS number of 2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene is 924894-85-9.
What are the molecular formula and molecular weight of 2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene?
2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene has molecular formula C18H26B2O4S2 and molecular weight 392.149 g/mol.
What are the upstream and downstream products of 2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene?
For 2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene, Upstream Products: Thieno[3,2-b]thiophene, 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 2,5-Dibromothieno[3,2-b]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. "2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[3,2-b]thiophene (CAS 924894-85-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1495643-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.