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6-Chloropyridazin-3-ol

Also known as: 6-Chloro-3-hydroxypyridazine, 3-Chloro-6-hydroxypyridazine, 3-Chloro-6-pyridazone, 3-Hydroxy-6-chloropyridazine, 6-Chloro-3(2H)-pyridazinone, 6-Chloro-3-pyridazinol, 6-Chloropyridazine-3-ol, 6-chloro-2H-pyridazin-3-one, 6-chloro-3-pyridazinone, 3(2H)-Pyridazinone, 6-chloro-

6-Chloropyridazin-3-ol (CAS 19064-67-6) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H3ClN2O and a molecular weight of 130.532 g/mol. Key properties include a melting point of 140.0 to 144.0 °C, a boiling point of 350.3±22.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 165.6±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
19064-67-6
Jingsj CID
J-1366032-7
Molecular Formula
C4H3ClN2O
Molecular Weight
130.532 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point140.0 to 144.0 °C
Boiling Point350.3±22.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point165.6±22.3 °C
Exact Mass129.993393
PSA45.75000
LogP0.81
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.593
Storage ConditionsRoom temperature.

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-Chloropyridazin-3-ol?

The CAS number of 6-Chloropyridazin-3-ol is 19064-67-6.

What are the molecular formula and molecular weight of 6-Chloropyridazin-3-ol?

6-Chloropyridazin-3-ol has molecular formula C4H3ClN2O and molecular weight 130.532 g/mol.

What are the upstream and downstream products of 6-Chloropyridazin-3-ol?

For 6-Chloropyridazin-3-ol, Upstream Products: 3,6-Dichloropyridazine, Maleic hydrazide, 3-Chloro-6-ethoxypyridazine; Downstream Products: 6-Chloro-2-methyl-2H-pyridazin-3-one, 3,6-Dichloropyridazine, (3-Chloro-6-oxopyridazin-1(6H)-yl)acetic acid.

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-Chloropyridazin-3-ol (CAS 19064-67-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1366032-7 (accessed 2026-11-09).

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