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2-Chloro-6-methylnicotinic acid

Also known as: 2-chloro-6-methylpyridine-3-carboxylic acid, 2-Chloro-6-methyl-3-pyridinecarboxylic acid, 2-chloro-6-methyl-3-pyridinecarboxylic acid, 3-Pyridinecarboxylic acid, 2-chloro-6-methyl-, 6-Methyl-2-chloronicotinic acid, MFCD00134165

2-Chloro-6-methylnicotinic acid (CAS 30529-70-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H6ClNO2 and a molecular weight of 171.581 g/mol. Key properties include a melting point of 162-164 °C(lit.), a boiling point of 325.5±37.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 150.7±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.
30529-70-5
Jingsj CID
J-7314-3
Molecular Formula
C7H6ClNO2
Molecular Weight
171.581 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point162-164 °C(lit.)
Boiling Point325.5±37.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point150.7±26.5 °C
Exact Mass171.008713
PSA50.19000
LogP0.83
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.579

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-methylnicotinic acid?

The CAS number of 2-Chloro-6-methylnicotinic acid is 30529-70-5.

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

2-Chloro-6-methylnicotinic acid has molecular formula C7H6ClNO2 and molecular weight 171.581 g/mol.

Is 2-Chloro-6-methylnicotinic acid hazardous?

2-Chloro-6-methylnicotinic 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-methylnicotinic acid?

For 2-Chloro-6-methylnicotinic acid, Upstream Products: 2-Hydroxy-6-methylnicotinic acid; Downstream Products: Ethyl 2-chloro-6-methylnicotinate, Methyl 2-chloro-6-methylnicotinate.

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-methylnicotinic acid (CAS 30529-70-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7314-3 (accessed 2026-11-09).

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