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2-Chloro-6-methoxyisonicotinic acid

Also known as: 2-Chloro-6-methoxypyridine-4-carboxylic acid, 2-Chloro-6-methoxy-4-pyridinecarboxylic acid, 4-Pyridinecarboxylic acid, 2-chloro-6-methoxy-, 2-Chloro-6-methoxypyridine-4-c, BUTTPARK 43\57-34, MFCD00173928, T6NJ BO1 DVQ FG, TIMTEC-BB SBB005427

2-Chloro-6-methoxyisonicotinic acid (CAS 15855-06-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H6ClNO3 and a molecular weight of 187.580 g/mol. Key properties include a melting point of 214-216ºC, a boiling point of 408.9±40.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 201.1±27.3 °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.
15855-06-8
Jingsj CID
J-1418704-3
Molecular Formula
C7H6ClNO3
Molecular Weight
187.580 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point214-216ºC
Boiling Point408.9±40.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point201.1±27.3 °C
Exact Mass187.003616
PSA59.42000
LogP2.66
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.567

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-Chloro-6-methoxyisonicotinic acid?

The CAS number of 2-Chloro-6-methoxyisonicotinic acid is 15855-06-8.

What are the molecular formula and molecular weight of 2-Chloro-6-methoxyisonicotinic acid?

2-Chloro-6-methoxyisonicotinic acid has molecular formula C7H6ClNO3 and molecular weight 187.580 g/mol.

Is 2-Chloro-6-methoxyisonicotinic acid hazardous?

2-Chloro-6-methoxyisonicotinic 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-Chloro-6-methoxyisonicotinic acid?

For 2-Chloro-6-methoxyisonicotinic acid, Upstream Products: Methanol, 2,6-Dichloropyridine-4-carboxylic acid, Sodium methoxide; Downstream Products: Methyl 2-chloro-6-methoxyisonicotinate, Ethyl 2-methoxy-6-methylisonicotinate, 2-Methoxy-4-pyridinecarboxylic 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-Chloro-6-methoxyisonicotinic acid (CAS 15855-06-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1418704-3 (accessed 2026-11-09).

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