1-(2-Thienyl)butan-1-one

2-正丁酰噻吩

Also known as: 2-Butanoylthiophene, 2-Butyrylthiophene, 2-n-Butyrylthiophene, 1-(2-Thienyl)-1-butanone, 1-(Thiophen-2-yl)butan-1-one, 1-Thien-2-ylbutan-1-one, 1-Thiophen-2-yl-butan-1-one, n-Propyl 2-thienyl ketone, Propyl 2-thienyl ketone, propyl thiophen-2-yl ketone

1-(2-Thienyl)butan-1-one (CAS 5333-83-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H10OS and a molecular weight of 154.229 g/mol. It is also known as 2-Butanoylthiophene, 2-Butyrylthiophene and 2-n-Butyrylthiophene. Key properties include a boiling point of 245.8±13.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 102.4±19.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5333-83-5
Jingsj CID
J-1019598-3
Molecular Formula
C8H10OS
Chinese Name
2-正丁酰噻吩
Molecular Weight
154.229 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point245.8±13.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point102.4±19.8 °C

Frequently Asked Questions

What is the CAS number of 1-(2-Thienyl)butan-1-one?

The CAS number of 1-(2-Thienyl)butan-1-one is 5333-83-5.

What are the molecular formula and molecular weight of 1-(2-Thienyl)butan-1-one?

1-(2-Thienyl)butan-1-one has molecular formula C8H10OS and molecular weight 154.229 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)butan-1-one (CAS 5333-83-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1019598-3 (accessed 2026-10-22).

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