5-Propionyl-2,2'-bithienyl

5-丙酰基-2,2'-二噻吩

Also known as: 1-(2,2'-bithiophen-5-yl)propan-1-one, 1-(2,2'-bithienyl-5-yl)propan-1-one, 1-(5-thiophen-2-ylthiophen-2-yl)propan-1-one, 1-propanone, 1-[2,2'-bithiophen]-5-yl-, 1-[2,2'-bithiophen]-5-yl-1-propanone

5-Propionyl-2,2'-bithienyl (CAS 32358-91-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H10OS2 and a molecular weight of 222.32600 g/mol. It is also known as 1-(2,2'-bithiophen-5-yl)propan-1-one, 1-(2,2'-bithienyl-5-yl)propan-1-one and 1-(5-thiophen-2-ylthiophen-2-yl)propan-1-one. Key properties include a boiling point of 373.7ºC at 760mmHg, a density of 1.223g/cm3 and a flash point of 179.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 32358-91-1
Jingsj CID: J-22622-4
Molecular Formula: C₁₁H₁₀OS₂
Chinese Name: 5-丙酰基-2,2'-二噻吩
Molecular Weight: 222.32600 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	373.7ºC at 760mmHg
Density	1.223g/cm3
Flash Point	179.8ºC
Exact Mass	222.01700
PSA	73.55000
LogP	4.06930
Refractive Index	1.601

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-Propionyl-2,2'-bithienyl?

The CAS number of 5-Propionyl-2,2'-bithienyl is 32358-91-1.

What are the molecular formula and molecular weight of 5-Propionyl-2,2'-bithienyl?

5-Propionyl-2,2'-bithienyl has molecular formula C11H10OS2 and molecular weight 222.32600 g/mol.

What are the upstream and downstream products of 5-Propionyl-2,2'-bithienyl?

For 5-Propionyl-2,2'-bithienyl, Upstream Products: 2,2'-Bithiophene, Propionyl chloride.

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

Last updated: 8/21/2026

How to cite: Jingsj. "5-Propionyl-2,2'-bithienyl (CAS 32358-91-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22622-4 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.