1,3-Di-2-thienyl-2-propen-1-one

1,3-二-2-噻吩基-2-丙烯醛基-1-酮

Also known as: 2-Propen-1-one,1,3-di-2-thienyl-, 1,3-di-2-Thienyl-2-propene-1-one, 1,3-di-thiophen-2-yl-propenone, EINECS 218-993-6, MFCD00014530, NSC 54863, 1,3-Bis(2-thienyl)-2-propen-1-one, 1,3-Bis(thiophen-2-yl)propenone, (2E)-1,3-di(thiophen-2-yl)prop-2-en-1-one, 1,3-Di(thiophen-2-yl)prop-2-en-1-one

1,3-Di-2-thienyl-2-propen-1-one (CAS 2309-48-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H8OS2 and a molecular weight of 220.31100 g/mol. It is also known as 2-Propen-1-one,1,3-di-2-thienyl-, 1,3-di-2-Thienyl-2-propene-1-one and 1,3-di-thiophen-2-yl-propenone. Key properties include a melting point of 98-100ºC, a boiling point of 365.1ºC at 760 mmHg, a density of 1.305 g/cm3 and a flash point of 174.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2309-48-0
Jingsj CID
J-4498-5
Molecular Formula
C11H8OS2
Chinese Name
1,3-二-2-噻吩基-2-丙烯醛基-1-酮
Molecular Weight
220.31100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point98-100ºC
Boiling Point365.1ºC at 760 mmHg
Density1.305 g/cm3
Flash Point174.6ºC

Frequently Asked Questions

What is the CAS number of 1,3-Di-2-thienyl-2-propen-1-one?

The CAS number of 1,3-Di-2-thienyl-2-propen-1-one is 2309-48-0.

What are the molecular formula and molecular weight of 1,3-Di-2-thienyl-2-propen-1-one?

1,3-Di-2-thienyl-2-propen-1-one has molecular formula C11H8OS2 and molecular weight 220.31100 g/mol.

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

Last updated:

How to cite: Jingsj. "1,3-Di-2-thienyl-2-propen-1-one (CAS 2309-48-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4498-5 (accessed 2026-10-22).

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