3-Oxo-2,3-dihydropyridazine-4-carboxylic acid

3-氧代-2,3-二氢哒嗪-4-甲酸

Also known as: 3-Hydroxypyridazine-4-carboxylic acid, 6-oxo-1H-pyridazine-5-carboxylic acid, 4-Pyridazinecarboxylic acid, 2,3-dihydro-3-oxo-, 2,3-dihydro-3-oxo-4-Pyridazinecarboxylic acid

3-Oxo-2,3-dihydropyridazine-4-carboxylic acid (CAS 54404-06-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H4N2O3 and a molecular weight of 140.097 g/mol. It is also known as 3-Hydroxypyridazine-4-carboxylic acid, 6-oxo-1H-pyridazine-5-carboxylic acid and 4-Pyridazinecarboxylic acid, 2,3-dihydro-3-oxo-. Key properties include a boiling point of 451.2ºC at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 226.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
54404-06-7
Jingsj CID
J-1140821-7
Molecular Formula
C5H4N2O3
Chinese Name
3-氧代-2,3-二氢哒嗪-4-甲酸
Molecular Weight
140.097 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point451.2ºC at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point226.7ºC

Frequently Asked Questions

What is the CAS number of 3-Oxo-2,3-dihydropyridazine-4-carboxylic acid?

The CAS number of 3-Oxo-2,3-dihydropyridazine-4-carboxylic acid is 54404-06-7.

What are the molecular formula and molecular weight of 3-Oxo-2,3-dihydropyridazine-4-carboxylic acid?

3-Oxo-2,3-dihydropyridazine-4-carboxylic acid has molecular formula C5H4N2O3 and molecular weight 140.097 g/mol.

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

Last updated:

How to cite: Jingsj. "3-Oxo-2,3-dihydropyridazine-4-carboxylic acid (CAS 54404-06-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1140821-7 (accessed 2026-10-22).

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