6-(p-tolyl)pyridazin-3(2H)-one

6-(对甲苯基)哒嗪-3(2H)-酮

Also known as: 6-(4-methylphenyl)pyridazin-3(2H)-one, 6-(4-methylphenyl)-3(2H)-pyridazinone, 3(2H)-Pyridazinone, 6-(4-methylphenyl)-, 6-p-tolylpyridazin-3(2H)-one, 6-(4-methylphenyl)pyridazin-3-ol, 3-(4-methylphenyl)-1H-pyridazin-6-one, 6-p-tolyl-2H-pyridazin-3-one

6-(p-tolyl)pyridazin-3(2H)-one (CAS 2166-32-7) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C11H10N2O and a molecular weight of 186.21000 g/mol. It is also known as 6-(4-methylphenyl)pyridazin-3(2H)-one, 6-(4-methylphenyl)-3(2H)-pyridazinone and 3(2H)-Pyridazinone, 6-(4-methylphenyl)-. Key properties include a boiling point of 405.5ºC at 760 mmHg, a density of 1.17g/cm3 and a flash point of 199.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2166-32-7
Jingsj CID
J-1134253-9
Molecular Formula
C11H10N2O
Chinese Name
6-(对甲苯基)哒嗪-3(2H)-酮
Molecular Weight
186.21000 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point405.5ºC at 760 mmHg
Density1.17g/cm3
Flash Point199.1ºC

Frequently Asked Questions

What is the CAS number of 6-(p-tolyl)pyridazin-3(2H)-one?

The CAS number of 6-(p-tolyl)pyridazin-3(2H)-one is 2166-32-7.

What are the molecular formula and molecular weight of 6-(p-tolyl)pyridazin-3(2H)-one?

6-(p-tolyl)pyridazin-3(2H)-one has molecular formula C11H10N2O and molecular weight 186.21000 g/mol.

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

Last updated:

How to cite: Jingsj. "6-(p-tolyl)pyridazin-3(2H)-one (CAS 2166-32-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1134253-9 (accessed 2026-10-22).

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