2,5-Dichloroisonicotinic acid

2,5-二氯异烟酸

Also known as: 2,5-Dichloropyridine-4-carboxylic acid, 2,5-Dichloro-4-pyridinecarboxylic acid, 2,5-Dichloroisocotinic acid, 2,5-Dichloroisonicotinicacid, 4-Pyridinecarboxylic acid, 2,5-dichloro-, MFCD00466640

2,5-Dichloroisonicotinic acid (CAS 88912-26-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H3Cl2NO2 and a molecular weight of 191.999 g/mol. It is also known as 2,5-Dichloropyridine-4-carboxylic acid, 2,5-Dichloro-4-pyridinecarboxylic acid and 2,5-Dichloroisocotinic acid. Key properties include a melting point of 236-238°C, a boiling point of 406.0±40.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 199.4±27.3 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
88912-26-9
Jingsj CID
J-1964999-7
Molecular Formula
C6H3Cl2NO2
Chinese Name
2,5-二氯异烟酸
Molecular Weight
191.999 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point236-238°C
Boiling Point406.0±40.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point199.4±27.3 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2,5-Dichloroisonicotinic acid?

The CAS number of 2,5-Dichloroisonicotinic acid is 88912-26-9.

What are the molecular formula and molecular weight of 2,5-Dichloroisonicotinic acid?

2,5-Dichloroisonicotinic acid has molecular formula C6H3Cl2NO2 and molecular weight 191.999 g/mol.

Is 2,5-Dichloroisonicotinic acid hazardous?

2,5-Dichloroisonicotinic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "2,5-Dichloroisonicotinic acid (CAS 88912-26-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1964999-7 (accessed 2026-10-26).

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