2-Methyl-6-phenylpyridazin-3(2H)-one

Also known as: 1-Methyl-3-phenyl-6-pyridazone, 2-Methyl-6-phenyl-2H-pyridazin-3-one, 2-Methyl-6-phenylpyridazin-3-one, 3(2H)-Pyridazinone, 2-methyl-6-phenyl-, AURORA KA-556, HMS1661D19

2-Methyl-6-phenylpyridazin-3(2H)-one (CAS 2165-04-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H10N2O and a molecular weight of 186.21000 g/mol. Key properties include a boiling point of 303.9ºC at 760 mmHg, a density of 1.13 g/cm3 and a flash point of 137.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2165-04-0
Jingsj CID: J-1145631-8
Molecular Formula: C₁₁H₁₀N₂O
Molecular Weight: 186.21000 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	303.9ºC at 760 mmHg
Density	1.13 g/cm3
Flash Point	137.6ºC
Exact Mass	186.07900
PSA	34.89000
LogP	1.44730
Vapor Pressure	0.000904mmHg at 25°C
Refractive Index	1.593

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 2-Methyl-6-phenylpyridazin-3(2H)-one?

The CAS number of 2-Methyl-6-phenylpyridazin-3(2H)-one is 2165-04-0.

What are the molecular formula and molecular weight of 2-Methyl-6-phenylpyridazin-3(2H)-one?

2-Methyl-6-phenylpyridazin-3(2H)-one has molecular formula C11H10N2O and molecular weight 186.21000 g/mol.

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. "2-Methyl-6-phenylpyridazin-3(2H)-one (CAS 2165-04-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1145631-8 (accessed 2026-11-09).

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