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2,6-Dichloro-5-fluoronicotinic acid

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. 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. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
82671-06-5
Jingsj CID
J-1987367-7
Molecular Formula
C6H2Cl2FNO2
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
Exact Mass208.944656
PSA50.19000
LogP1.53
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.580

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2933399090
Summary2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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 and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 2,6-Dichloro-5-fluoronicotinic acid?

For 2,6-Dichloro-5-fluoronicotinic acid, Upstream Products: ethyl 2,6-dichloro-5-fluoropyridine-3-carboxylate, 2,6-Dichloro-5-fluoronicotinonitrile, 2,6-Dichloro-5-fluoronicotinamide; Downstream Products: Ethyl 6-fluoro-1-(4-fluorophenyl)-7-(4-methylpiperazin-1-yl)-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate, 7-Chloro-1-(2,4-difluorophenyl)-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid, 2-Chloro-5-fluoronicotinic acid.

Data compiled from public chemical databases such as PubChem 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-1987367-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.