2,6-Dichloro-5-fluoronicotinic acid

2,6-二氯-5-氟烟酸

Also known as: 2,6-Dichloro-5-fluoro-3-pyridinecarboxylic acid, 2,6-Dichloro-5-fluoropyridine-3-carboxylic acid, 3-Carboxy-2,6-dichloro-5-fluoropyridine, 2,6-Dichloro-5-fluoronicotinic acid, Fluorine chlorine niacin, MFCD00799517

2,6-Dichloro-5-fluoronicotinic acid (CAS 82671-06-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H2Cl2FNO2 and a molecular weight of 209.99 g/mol. It is also known as 2,6-Dichloro-5-fluoro-3-pyridinecarboxylic acid, 2,6-Dichloro-5-fluoropyridine-3-carboxylic acid and 3-Carboxy-2,6-dichloro-5-fluoropyridine. Key properties include a melting point of 152-155 °C(lit.), a boiling point of 335.3±37.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 156.6±26.5 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
82671-06-5
Jingsj CID
J-1987367-1
Molecular Formula
C6H2Cl2FNO2
Chinese Name
2,6-二氯-5-氟烟酸
Molecular Weight
209.99 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point152-155 °C(lit.)
Boiling Point335.3±37.0 °C at 760 mmHg
Density1.7±0.1 g/cm3
Flash Point156.6±26.5 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

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

The CAS number of 2,6-Dichloro-5-fluoronicotinic acid is 82671-06-5.

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

2,6-Dichloro-5-fluoronicotinic acid has molecular formula C6H2Cl2FNO2 and molecular weight 209.99 g/mol.

Is 2,6-Dichloro-5-fluoronicotinic acid hazardous?

2,6-Dichloro-5-fluoronicotinic 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. "2,6-Dichloro-5-fluoronicotinic acid (CAS 82671-06-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1987367-1 (accessed 2026-10-22).

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