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6-hydroxy-2-phenyl-3(2H)-pyridazinone

6-羟基-2-苯基-3-哒酮

Also known as: 6-hydroxy-2-phenylpyridazin-3(2H)-one, 3-hydroxy-1-phenyl-6-pyridazone, 1,2-dihydro-1-phenylpyridazine-3,6-dione, 2-phenyl-6-hydroxy-3(2H)-pyridazinone, maleic acid phenylhydrazide, N-phenyl maleic hydrazide, NSC 163341, NSC 17181, phenyl maleic hydrazide, 2-phenyl-1,2-dihydro-3,6-pyridazinedione

6-hydroxy-2-phenyl-3(2H)-pyridazinone (CAS 1698-54-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H8N2O2 and a molecular weight of 188.18300 g/mol. It is also known as 6-hydroxy-2-phenylpyridazin-3(2H)-one, 3-hydroxy-1-phenyl-6-pyridazone and 1,2-dihydro-1-phenylpyridazine-3,6-dione. Key properties include a boiling point of 358.9ºC at 760mmHg, a density of 1.306g/cm3 and a flash point of 170.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1698-54-0
Jingsj CID
J-1314194-3
Molecular Formula
C10H8N2O2
Chinese Name
6-羟基-2-苯基-3-哒酮
Molecular Weight
188.18300 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point358.9ºC at 760mmHg
Density1.306g/cm3
Flash Point170.9ºC

Frequently Asked Questions

What is the CAS number of 6-hydroxy-2-phenyl-3(2H)-pyridazinone?

The CAS number of 6-hydroxy-2-phenyl-3(2H)-pyridazinone is 1698-54-0.

What are the molecular formula and molecular weight of 6-hydroxy-2-phenyl-3(2H)-pyridazinone?

6-hydroxy-2-phenyl-3(2H)-pyridazinone has molecular formula C10H8N2O2 and molecular weight 188.18300 g/mol.

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

Last updated:

How to cite: Jingsj. "6-hydroxy-2-phenyl-3(2H)-pyridazinone (CAS 1698-54-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1314194-3 (accessed 2026-10-26).

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