3,5,6-Trichloro-4-hydroxy-2-picolinic acid

3,5,6-三氯-4-羟基-2-吡啶甲酸

Also known as: 3,5,6-Trichloro-4-hydroxypyridine-2-carboxylic acid, 3,5,6-Trichloro-4-oxo-1,4-dihydropyridine-2-carboxylic acid, 3,5,6-Trichloro-2-picolinic acid, 3,5,6-Trichloro-2-pyridinecarboxylic acid, 4-Hydroxy-3,5,6-trichloropyridine-2-carboxylic acid, 3,5,6-trichloro-4-oxo-1H-pyridine-2-carboxylic acid

3,5,6-Trichloro-4-hydroxy-2-picolinic acid (CAS 26449-73-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H2Cl3NO3 and a molecular weight of 242.44400 g/mol. It is also known as 3,5,6-Trichloro-4-hydroxypyridine-2-carboxylic acid, 3,5,6-Trichloro-4-oxo-1,4-dihydropyridine-2-carboxylic acid and 3,5,6-Trichloro-2-picolinic acid. Key properties include a melting point of 194-197 °C, a boiling point of 482.8±45.0 °C(Predicted) and a density of 1.872±0.06 g/cm3(Predicted). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
26449-73-0
Jingsj CID
J-1458353-9
Molecular Formula
C6H2Cl3NO3
Chinese Name
3,5,6-三氯-4-羟基-2-吡啶甲酸
Molecular Weight
242.44400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point194-197 °C
Boiling Point482.8±45.0 °C(Predicted)
Density1.872±0.06 g/cm3(Predicted)

Frequently Asked Questions

What is the CAS number of 3,5,6-Trichloro-4-hydroxy-2-picolinic acid?

The CAS number of 3,5,6-Trichloro-4-hydroxy-2-picolinic acid is 26449-73-0.

What are the molecular formula and molecular weight of 3,5,6-Trichloro-4-hydroxy-2-picolinic acid?

3,5,6-Trichloro-4-hydroxy-2-picolinic acid has molecular formula C6H2Cl3NO3 and molecular weight 242.44400 g/mol.

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

Last updated:

How to cite: Jingsj. "3,5,6-Trichloro-4-hydroxy-2-picolinic acid (CAS 26449-73-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1458353-9 (accessed 2026-10-25).

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