1-(Pyridin-4-yl)butane-1,3-dione

1-(4-吡啶基)-1,3-丁二酮

Also known as: 1,3-Butanedione,1-(4-pyridinyl)-, 1-(4-PYRIDINYL)-1,3-BUTANEDIONE, 1-(4-Pyridyl)-1,3-butanedione, 1-(4-pyridinyl)butane-1,3-dione, 1-(4-pyridyl)butan-1,3-dione, 1-(4-pyridyl)butane-1,3-dione, 1-(pyridin-4-yl)-1,3-butadione, 1-(pyridin-4-yl)-1,3-butanedione, 1-pyridin-4-ylbutane-1,3-dione, 4-Acetoacetylpyridine

1-(Pyridin-4-yl)butane-1,3-dione (CAS 75055-73-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H9NO2 and a molecular weight of 163.17300 g/mol. It is also known as 1,3-Butanedione,1-(4-pyridinyl)-, 1-(4-PYRIDINYL)-1,3-BUTANEDIONE and 1-(4-Pyridyl)-1,3-butanedione. Key properties include a melting point of 66-67ºC, a boiling point of 291.3ºC at 760 mmHg, a density of 1.13g/cm3 and a flash point of 134.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
75055-73-1
Jingsj CID
J-1000549-9
Molecular Formula
C9H9NO2
Chinese Name
1-(4-吡啶基)-1,3-丁二酮
Molecular Weight
163.17300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point66-67ºC
Boiling Point291.3ºC at 760 mmHg
Density1.13g/cm3
Flash Point134.3ºC

Frequently Asked Questions

What is the CAS number of 1-(Pyridin-4-yl)butane-1,3-dione?

The CAS number of 1-(Pyridin-4-yl)butane-1,3-dione is 75055-73-1.

What are the molecular formula and molecular weight of 1-(Pyridin-4-yl)butane-1,3-dione?

1-(Pyridin-4-yl)butane-1,3-dione has molecular formula C9H9NO2 and molecular weight 163.17300 g/mol.

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

Last updated:

How to cite: Jingsj. "1-(Pyridin-4-yl)butane-1,3-dione (CAS 75055-73-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1000549-9 (accessed 2026-10-24).

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