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2-Chloro-4-(trifluoromethyl)pyridine-3-carboxylic acid

Also known as: 2-Chloro-4-(trifluoromethyl)nicotinic acid, 2-Chloro-4-(trifluoromethyl)pyridine-3-carboxy, 3-Carboxy-2-chloro-4-(trifluoromethyl)pyridine, 2-Chloro-4-(trifluoromethyl)pyridine-3-carboxylic acid

2-Chloro-4-(trifluoromethyl)pyridine-3-carboxylic acid (CAS 590371-81-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H3ClF3NO2 and a molecular weight of 225.55200 g/mol. Key properties include a melting point of 158-159ºC, a boiling point of 299.501ºC at 760 mmHg, a density of 1.604g/cm3 and a flash point of 134.934ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
590371-81-6
Jingsj CID
J-1992771-0
Molecular Formula
C7H3ClF3NO2
Molecular Weight
225.55200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point158-159ºC
Boiling Point299.501ºC at 760 mmHg
Density1.604g/cm3
Flash Point134.934ºC
Exact Mass224.98000
PSA50.19000
LogP2.45200
Refractive Index1.497

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • 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-4-(trifluoromethyl)pyridine-3-carboxylic acid?

The CAS number of 2-Chloro-4-(trifluoromethyl)pyridine-3-carboxylic acid is 590371-81-6.

What are the molecular formula and molecular weight of 2-Chloro-4-(trifluoromethyl)pyridine-3-carboxylic acid?

2-Chloro-4-(trifluoromethyl)pyridine-3-carboxylic acid has molecular formula C7H3ClF3NO2 and molecular weight 225.55200 g/mol.

Is 2-Chloro-4-(trifluoromethyl)pyridine-3-carboxylic acid hazardous?

2-Chloro-4-(trifluoromethyl)pyridine-3-carboxylic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.

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-4-(trifluoromethyl)pyridine-3-carboxylic acid (CAS 590371-81-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1992771-0 (accessed 2026-11-09).

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