5-Aminopyridazine-4-carboxylic acid

5-氨基哒嗪-4-甲酸

Also known as: 5-Amino-4-pyridazinecarboxylic acid, 4-Pyridazinecarboxylic acid, 5-amino-, 4-Pyridazinecarboxylicacid,5-amino, 4-Pyridazinecarboxylicacid,5-amino-(8CI,9CI), 5-Amino-pyridazin-4-carbonsaeure, 5-Aminopyridazine-4-carboxylic acid, 5-aminopyridazine-4-carboxylic acid, 4-Amino-pyridazin-5-carbonsaeure

5-Aminopyridazine-4-carboxylic acid (CAS 21579-37-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H5N3O2 and a molecular weight of 139.112 g/mol. It is also known as 5-Amino-4-pyridazinecarboxylic acid, 4-Pyridazinecarboxylic acid, 5-amino- and 4-Pyridazinecarboxylicacid,5-amino. Key properties include a boiling point of 470.5±30.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 238.3±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21579-37-3
Jingsj CID
J-1173120-5
Molecular Formula
C5H5N3O2
Chinese Name
5-氨基哒嗪-4-甲酸
Molecular Weight
139.112 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point470.5±30.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point238.3±24.6 °C

Frequently Asked Questions

What is the CAS number of 5-Aminopyridazine-4-carboxylic acid?

The CAS number of 5-Aminopyridazine-4-carboxylic acid is 21579-37-3.

What are the molecular formula and molecular weight of 5-Aminopyridazine-4-carboxylic acid?

5-Aminopyridazine-4-carboxylic acid has molecular formula C5H5N3O2 and molecular weight 139.112 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Aminopyridazine-4-carboxylic acid (CAS 21579-37-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1173120-5 (accessed 2026-10-25).

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