5,5'-diacetyl-2,2'-bithiophene

Also known as: Ethanone, 1,1'-[2,2'-bithiophene]-5,5'-diylbis-, 1,1'-(2,2'-bithiophene-5,5'-diyl)diethanone, 1,1'-([2,2'-bithiophene]-5,5'-diyl)bis(ethan-1-one), 1-[5-(5-acetylthiophen-2-yl)thiophen-2-yl]ethanone, 5,5'-diacetyl-2,2'-bithienyl

5,5'-diacetyl-2,2'-bithiophene (CAS 18494-73-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H10O2S2 and a molecular weight of 250.33700 g/mol. Key properties include a boiling point of 445.9ºC at 760mmHg, a density of 1.272g/cm3 and a flash point of 223.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 18494-73-0
Jingsj CID: J-1454158-3
Molecular Formula: C₁₂H₁₀O₂S₂
Molecular Weight: 250.33700 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	445.9ºC at 760mmHg
Density	1.272g/cm3
Flash Point	223.5ºC
Exact Mass	250.01200
PSA	90.62000
LogP	3.88180
Vapor Pressure	3.8E-08mmHg at 25°C
Refractive Index	1.604

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 5,5'-diacetyl-2,2'-bithiophene?

The CAS number of 5,5'-diacetyl-2,2'-bithiophene is 18494-73-0.

What are the molecular formula and molecular weight of 5,5'-diacetyl-2,2'-bithiophene?

5,5'-diacetyl-2,2'-bithiophene has molecular formula C12H10O2S2 and molecular weight 250.33700 g/mol.

What are the upstream and downstream products of 5,5'-diacetyl-2,2'-bithiophene?

For 5,5'-diacetyl-2,2'-bithiophene, Upstream Products: 2-Acetyl-5-bromothiophene, 2-Acetylthiophene, 2-Acetyl-5-chlorothiophene.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "5,5'-diacetyl-2,2'-bithiophene (CAS 18494-73-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1454158-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.