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4,5-Dichloro-6-nitropyridazin-3-ol

Also known as: 4,5-Dichloro-6-nitro-2,3-dihydropyridazin-3-one, 4,5-Dichloro-6-nitro-3(2H)-pyridazinone, 4,5-Dichloro-6-nitro-2H-pyridazin-3-one, 3-Hydroxy-4,5-dichloro-6-nitropyridazine, 4,5-Dichloro-6-nitropyridazin-3(2H)-one

4,5-Dichloro-6-nitropyridazin-3-ol (CAS 13645-43-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C4HCl2N3O3 and a molecular weight of 209.97500 g/mol. Key properties include a melting point of 184ºC and a density of 2.11 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13645-43-7
Jingsj CID
J-1377936-7
Molecular Formula
C4HCl2N3O3
Molecular Weight
209.97500 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point184ºC
Density2.11 g/cm3
Exact Mass208.93900
PSA91.83000
LogP1.92040

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 4,5-Dichloro-6-nitropyridazin-3-ol?

The CAS number of 4,5-Dichloro-6-nitropyridazin-3-ol is 13645-43-7.

What are the molecular formula and molecular weight of 4,5-Dichloro-6-nitropyridazin-3-ol?

4,5-Dichloro-6-nitropyridazin-3-ol has molecular formula C4HCl2N3O3 and molecular weight 209.97500 g/mol.

What are the upstream and downstream products of 4,5-Dichloro-6-nitropyridazin-3-ol?

For 4,5-Dichloro-6-nitropyridazin-3-ol, Upstream Products: 3,4,5-Trichloropyridazine.

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

Last updated:

How to cite: Jingsj. "4,5-Dichloro-6-nitropyridazin-3-ol (CAS 13645-43-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1377936-7 (accessed 2026-11-09).

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