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Methyl 2-chloro-6-methylpyridine-4-carboxylate

Also known as: Methyl 2-chloro-6-methylisonicotinate, 2-Chloro-6-methylisonicotinic acid methyl ester, 2-Chloro-6-methylpyridine-4-carboxylic acid methyl ester, 2-Chloro-6-picoline-4-carboxylic acid methyl ester, Methyl 2-chloro-6-picoline-4-carboxylate, 4-Pyridinecarboxylic acid, 2-chloro-6-methyl-, methyl ester

Methyl 2-chloro-6-methylpyridine-4-carboxylate (CAS 3998-90-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H8ClNO2 and a molecular weight of 185.608 g/mol. Key properties include a melting point of 58-62ºC, a boiling point of 270.7±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 117.5±25.9 °C. It is classified under GHS with signal word Danger and hazard statements H315 — Causes skin irritation, H317 — May cause an allergic skin reaction and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3998-90-1
Jingsj CID
J-1496967-6
Molecular Formula
C8H8ClNO2
Molecular Weight
185.608 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point58-62ºC
Boiling Point270.7±35.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point117.5±25.9 °C
Exact Mass185.024353
PSA39.19000
LogP2.08
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.528

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H315 — Causes skin irritation
  • H317 — May cause an allergic skin reaction
  • H318 — Causes serious eye damage
  • 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 Methyl 2-chloro-6-methylpyridine-4-carboxylate?

The CAS number of Methyl 2-chloro-6-methylpyridine-4-carboxylate is 3998-90-1.

What are the molecular formula and molecular weight of Methyl 2-chloro-6-methylpyridine-4-carboxylate?

Methyl 2-chloro-6-methylpyridine-4-carboxylate has molecular formula C8H8ClNO2 and molecular weight 185.608 g/mol.

Is Methyl 2-chloro-6-methylpyridine-4-carboxylate hazardous?

Methyl 2-chloro-6-methylpyridine-4-carboxylate has GHS signal word Danger and hazard statements H315 — Causes skin irritation; H317 — May cause an allergic skin reaction; H318 — Causes serious eye damage.

What are the upstream and downstream products of Methyl 2-chloro-6-methylpyridine-4-carboxylate?

For Methyl 2-chloro-6-methylpyridine-4-carboxylate, Upstream Products: 2-Chloro-6-methylisonicotinic acid, Oxalyl chloride, Methanol; Downstream Products: 2-chloro-6-methylpyridine-4-carbohydrazide, (2-Chloro-6-methylpyridin-4-yl)methanol, 2-Methylisonicotinic 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. "Methyl 2-chloro-6-methylpyridine-4-carboxylate (CAS 3998-90-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1496967-6 (accessed 2026-11-09).

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