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6-Chloro-2-methyl-2H-pyridazin-3-one

Also known as: 6-Chloro-2-methyl-3(2H)-pyridazinone, 3(2H)-Pyridazinone, 6-chloro-2-methyl-, 6-Chloro-2-methylpyridazin-3-one, 6-Chloro-2-methyl-2,3-dihydropyridazin-3-one

6-Chloro-2-methyl-2H-pyridazin-3-one (CAS 10071-38-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H5ClN2O and a molecular weight of 144.55900 g/mol. Key properties include a melting point of 92-94 °C, a boiling point of 210.7 °C at 760 mmHg and a density of 1.37 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
10071-38-2
Jingsj CID
J-1356974-9
Molecular Formula
C5H5ClN2O
Molecular Weight
144.55900 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point92-94 °C
Boiling Point210.7 °C at 760 mmHg
Density1.37 g/cm3
Exact Mass144.00900
PSA34.89000
LogP0.43370

Customs & Trade Information

HS Code2933990090
Summary2933990090. 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 6-Chloro-2-methyl-2H-pyridazin-3-one?

The CAS number of 6-Chloro-2-methyl-2H-pyridazin-3-one is 10071-38-2.

What are the molecular formula and molecular weight of 6-Chloro-2-methyl-2H-pyridazin-3-one?

6-Chloro-2-methyl-2H-pyridazin-3-one has molecular formula C5H5ClN2O and molecular weight 144.55900 g/mol.

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

Last updated:

How to cite: Jingsj. "6-Chloro-2-methyl-2H-pyridazin-3-one (CAS 10071-38-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356974-9 (accessed 2026-11-09).

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