2-Butanone, 4,4'-thiobis-

二(丁-3-酮基)硫醚

Also known as: 4,4'-Thiobis(2-butanone), Di(butan-3-one-1-yl) sulfide, 5-Thianona-2,8-dione, 2-Butanone, 4,4'-thiodi-, 4-(3-oxobutylthio)-2-butanone, Di(butan-3-one-1-yl) sulphide, FEMA No. 3335, NSC 42865

2-Butanone, 4,4'-thiobis- (CAS 40790-04-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H14O2S and a molecular weight of 174.26100 g/mol. It is also known as 4,4'-Thiobis(2-butanone), Di(butan-3-one-1-yl) sulfide and 5-Thianona-2,8-dione. Key properties include a boiling point of 288.6ºC at 760mmHg, a density of 1.032g/cm3 and a flash point of 121.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
40790-04-3
Jingsj CID
J-1495086-3
Molecular Formula
C8H14O2S
Chinese Name
二(丁-3-酮基)硫醚
Molecular Weight
174.26100 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point288.6ºC at 760mmHg
Density1.032g/cm3
Flash Point121.3ºC

Frequently Asked Questions

What is the CAS number of 2-Butanone, 4,4'-thiobis-?

The CAS number of 2-Butanone, 4,4'-thiobis- is 40790-04-3.

What are the molecular formula and molecular weight of 2-Butanone, 4,4'-thiobis-?

2-Butanone, 4,4'-thiobis- has molecular formula C8H14O2S and molecular weight 174.26100 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Butanone, 4,4'-thiobis- (CAS 40790-04-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1495086-3 (accessed 2026-10-24).

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