1,3-Butanedione,1-benzo[b]thien-3-yl-4,4,4-trifluoro

4,4,4-三氟-1-(苯并-[b]-噻吩)丁烷-1,3-二酮

Also known as: 4,4,4-Trifluoro-1-(benzo[b]thiophen-3-yl)butane-1,3-dione, 1-(1-Benzothiophen-3-yl)-4,4,4-trifluoro-1,3-butanedione, 3-(4,4,4-Trifluoro-1,3-dioxobutyl)benzothiophene, 3-Thianaphthenoyltrifluoroacetone

1,3-Butanedione,1-benzo[b]thien-3-yl-4,4,4-trifluoro (CAS 392-29-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H7F3O2S and a molecular weight of 272.24300 g/mol. It is also known as 4,4,4-Trifluoro-1-(benzo[b]thiophen-3-yl)butane-1,3-dione, 1-(1-Benzothiophen-3-yl)-4,4,4-trifluoro-1,3-butanedione and 3-(4,4,4-Trifluoro-1,3-dioxobutyl)benzothiophene. Key properties include a boiling point of 351ºC at 760mmHg, a density of 1.424g/cm3 and a flash point of 166.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
392-29-0
Jingsj CID
J-1503734-3
Molecular Formula
C12H7F3O2S
Chinese Name
4,4,4-三氟-1-(苯并-[b]-噻吩)丁烷-1,3-二酮
Molecular Weight
272.24300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point351ºC at 760mmHg
Density1.424g/cm3
Flash Point166.1ºC

Frequently Asked Questions

What is the CAS number of 1,3-Butanedione,1-benzo[b]thien-3-yl-4,4,4-trifluoro?

The CAS number of 1,3-Butanedione,1-benzo[b]thien-3-yl-4,4,4-trifluoro is 392-29-0.

What are the molecular formula and molecular weight of 1,3-Butanedione,1-benzo[b]thien-3-yl-4,4,4-trifluoro?

1,3-Butanedione,1-benzo[b]thien-3-yl-4,4,4-trifluoro has molecular formula C12H7F3O2S and molecular weight 272.24300 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-Butanedione,1-benzo[b]thien-3-yl-4,4,4-trifluoro (CAS 392-29-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1503734-3 (accessed 2026-10-24).

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