1-(pyridazin-4-yl)ethan-1-one

Also known as: 1-(Pyridazin-4-yl)ethanone, 4-Acetylpyridazine, Methyl 4-pyridazinyl ketone, 1-(4-Pyridazinyl)ethanone, 1-pyridazin-4-ylethanone, Ethanone, 1-(4-pyridazinyl)-

1-(pyridazin-4-yl)ethan-1-one (CAS 50901-46-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6H6N2O and a molecular weight of 122.125 g/mol. Key properties include a melting point of 69-70ºC, a boiling point of 285.9±13.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 131.0±26.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 50901-46-7
Jingsj CID: J-1033963-6
Molecular Formula: C₆H₆N₂O
Molecular Weight: 122.125 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	69-70ºC
Boiling Point	285.9±13.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	131.0±26.3 °C
Exact Mass	122.048012
PSA	42.85000
LogP	-0.81
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.516
Storage Conditions	2-8°C

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1-(pyridazin-4-yl)ethan-1-one?

The CAS number of 1-(pyridazin-4-yl)ethan-1-one is 50901-46-7.

What are the molecular formula and molecular weight of 1-(pyridazin-4-yl)ethan-1-one?

1-(pyridazin-4-yl)ethan-1-one has molecular formula C6H6N2O and molecular weight 122.125 g/mol.

What are the upstream and downstream products of 1-(pyridazin-4-yl)ethan-1-one?

For 1-(pyridazin-4-yl)ethan-1-one, Upstream Products: Methylmagnesium bromide, Pyridazine-4-carboxylic acid, 1,1'-Carbonyldiimidazole.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1-(pyridazin-4-yl)ethan-1-one (CAS 50901-46-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1033963-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.