2-Nitropyridine-4-carboxylic acid

2-硝基-4-吡啶甲酸

Also known as: 2-Nitroisonicotinic acid, 2-Nitro-4-pyridinecarboxylic acid, 2-Nitro-4-pyridin-carbonsaeure, 6-Nitro-pyridin-4-carbonsaeure, 4-Pyridinecarboxylic acid, 2-nitro-, 2-Nitro-4-pyridine carboxylic acid, 2-Nitropyridine-4-carboxylicacid

2-Nitropyridine-4-carboxylic acid (CAS 33225-74-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4N2O4 and a molecular weight of 168.107 g/mol. It is also known as 2-Nitroisonicotinic acid, 2-Nitro-4-pyridinecarboxylic acid and 2-Nitro-4-pyridin-carbonsaeure. Key properties include a melting point of ca 170℃, a boiling point of 510.2±35.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 262.3±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 33225-74-0
Jingsj CID: J-7438-2
Molecular Formula: C₆H₄N₂O₄
Chinese Name: 2-硝基-4-吡啶甲酸
Molecular Weight: 168.107 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	ca 170℃
Boiling Point	510.2±35.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	262.3±25.9 °C

Frequently Asked Questions

What is the CAS number of 2-Nitropyridine-4-carboxylic acid?

The CAS number of 2-Nitropyridine-4-carboxylic acid is 33225-74-0.

What are the molecular formula and molecular weight of 2-Nitropyridine-4-carboxylic acid?

2-Nitropyridine-4-carboxylic acid has molecular formula C6H4N2O4 and molecular weight 168.107 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-Nitropyridine-4-carboxylic acid (CAS 33225-74-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7438-2 (accessed 2026-10-23).

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