trans-1,2-di(2-thienyl)ethylene
反-1,2-二(2-噻吩基)乙烯
Also known as: TRANS-1,2-DI(2-THIENYL)ETHYLENE, trans-1,2-Di(2-thienyl)ethylene, 2,2'-[(E)-1,2-Ethenediyl]bisthiophene, Thiophene, 2,2'-(1E)-1,2-ethenediylbis-, 2-[(E)-2-thiophen-2-ylethenyl]thiophene, Dithienylethylene, TH=TH
trans-1,2-di(2-thienyl)ethylene (CAS 13640-78-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H16S2 and a molecular weight of 200.36400 g/mol. It is also known as TRANS-1,2-DI(2-THIENYL)ETHYLENE, trans-1,2-Di(2-thienyl)ethylene and 2,2'-[(E)-1,2-Ethenediyl]bisthiophene. Key properties include a melting point of 133ºC, a boiling point of 302.4ºC at 760 mmHg, a density of 1.268g/cm3 and a flash point of 100.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 13640-78-3
- Jingsj CID
- J-12229-6
- Molecular Formula
- C10H16S2
- Chinese Name
- 反-1,2-二(2-噻吩基)乙烯
- Molecular Weight
- 200.36400 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 133ºC |
|---|---|
| Boiling Point | 302.4ºC at 760 mmHg |
| Density | 1.268g/cm3 |
| Flash Point | 100.5ºC |
Frequently Asked Questions
What is the CAS number of trans-1,2-di(2-thienyl)ethylene?
The CAS number of trans-1,2-di(2-thienyl)ethylene is 13640-78-3.
What are the molecular formula and molecular weight of trans-1,2-di(2-thienyl)ethylene?
trans-1,2-di(2-thienyl)ethylene has molecular formula C10H16S2 and molecular weight 200.36400 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "trans-1,2-di(2-thienyl)ethylene (CAS 13640-78-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12229-6 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.