1-(2-Thienyl)-1,3-butanedione

1-(2-噻吩基)-1,3-丁二酮

Also known as: 1,3-Butanedione,1-(2-thienyl)-, 1,3-Butanedione, 1-(2-thienyl)-, 1-(2-Thienyl)-1,3-butanedione, 1-(2-Thienyl)butane-1,3-dione, 1-(2-thienyl)butane-1,3-dione, 1-(2-thiophenyl)-1,3-butanedione, 1-(Thiophen-2-yl)-1,3-butanedione, 1-(Thiophen-2-yl)butane-1,3-dione, 1-(thien-2-yl)-1,3-butanedione, 1-(thien-2-yl)butan-1,3-dione, 1-(thiophen-2-yl)-butane-1,3-dione, 1-thienyl-1,3-butanedione, 1-thiophen-2-ylbutane-1,3-dione, 2-Thenoylacetone, Thenoylacetone, Nsc 80371

1-(2-Thienyl)-1,3-butanedione (CAS 3051-27-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H8O2S and a molecular weight of 168.213 g/mol. It is also known as 1,3-Butanedione,1-(2-thienyl)-, 1,3-Butanedione, 1-(2-thienyl)- and 1-(2-Thienyl)butane-1,3-dione. Key properties include a boiling point of 291.4±15.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 130.0±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3051-27-2
Jingsj CID
J-1082491-5
Molecular Formula
C8H8O2S
Chinese Name
1-(2-噻吩基)-1,3-丁二酮
Molecular Weight
168.213 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point291.4±15.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point130.0±20.4 °C

Frequently Asked Questions

What is the CAS number of 1-(2-Thienyl)-1,3-butanedione?

The CAS number of 1-(2-Thienyl)-1,3-butanedione is 3051-27-2.

What are the molecular formula and molecular weight of 1-(2-Thienyl)-1,3-butanedione?

1-(2-Thienyl)-1,3-butanedione has molecular formula C8H8O2S and molecular weight 168.213 g/mol.

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

Last updated:

How to cite: Jingsj. "1-(2-Thienyl)-1,3-butanedione (CAS 3051-27-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1082491-5 (accessed 2026-10-22).

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