2,5-Dichloro-4,6-dimethylnicotinic acid

2,5-二氯-4,6-二甲基烟酸

Also known as: 2,5-Dichloro-4,6-dimethyl-3-pyridinecarboxylic acid, 2,5-dichloro-4,6-dimethylpyridine-3-carboxylic acid, 3-Pyridinecarboxylic acid, 2,5-dichloro-4,6-dimethyl-

2,5-Dichloro-4,6-dimethylnicotinic acid (CAS 142266-66-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H7Cl2NO2 and a molecular weight of 220.053 g/mol. It is also known as 2,5-Dichloro-4,6-dimethyl-3-pyridinecarboxylic acid, 2,5-dichloro-4,6-dimethylpyridine-3-carboxylic acid and 3-Pyridinecarboxylic acid, 2,5-dichloro-4,6-dimethyl-. Key properties include a boiling point of 351.4±37.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 166.3±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
142266-66-8
Jingsj CID
J-1085670-7
Molecular Formula
C8H7Cl2NO2
Chinese Name
2,5-二氯-4,6-二甲基烟酸
Molecular Weight
220.053 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point351.4±37.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point166.3±26.5 °C

Frequently Asked Questions

What is the CAS number of 2,5-Dichloro-4,6-dimethylnicotinic acid?

The CAS number of 2,5-Dichloro-4,6-dimethylnicotinic acid is 142266-66-8.

What are the molecular formula and molecular weight of 2,5-Dichloro-4,6-dimethylnicotinic acid?

2,5-Dichloro-4,6-dimethylnicotinic acid has molecular formula C8H7Cl2NO2 and molecular weight 220.053 g/mol.

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

Last updated:

How to cite: Jingsj. "2,5-Dichloro-4,6-dimethylnicotinic acid (CAS 142266-66-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1085670-7 (accessed 2026-10-25).

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