3-Chloro-5-(trifluoromethyl)pyridin-2(1H)-one

Also known as: 3-Chloro-2-hydroxy-5-(trifluoromethyl)pyridine, 3-Chloro-5-(trifluoromethyl)-2(3H)-pyridinone, 3-Chloro-5-(trifluoromethyl)pyridin-2-ol, 2-hydroxy-3-chloro-5-trifluoropyridine, 3-Chloro-5-(trifluoromethyl)-2-pyridinol, 3-Chloro-5-(trifluoromethyl)pyridin-2(3H)-one, Haloxyfop-pyridinol Metabolite, 3-CHLORO-5-(TRIFLUOROMETHYL)-2-PYRIDINOL, 3-CHLORO-5-(TRIFLUOROMETHYL)PYRIDIN-2-OL

3-Chloro-5-(trifluoromethyl)pyridin-2(1H)-one (CAS 76041-71-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H3ClF3NO and a molecular weight of 197.542 g/mol. Key properties include a melting point of 159-161 °C(lit.), a boiling point of 175.1±50.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 59.7±30.1 °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.: 76041-71-9
Jingsj CID: J-24115-6
Molecular Formula: C₆H₃ClF₃NO
Molecular Weight: 197.542 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	159-161 °C(lit.)
Boiling Point	175.1±50.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	59.7±30.1 °C
Exact Mass	196.985519
PSA	33.12000
LogP	1.03
Vapor Pressure	1.2±0.3 mmHg at 25°C
Refractive Index	1.488

GHS Safety & Compliance

IrritantSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Customs & Trade Information

HS Code	2933399090
Summary	2933399090. 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 3-Chloro-5-(trifluoromethyl)pyridin-2(1H)-one?

The CAS number of 3-Chloro-5-(trifluoromethyl)pyridin-2(1H)-one is 76041-71-9.

What are the molecular formula and molecular weight of 3-Chloro-5-(trifluoromethyl)pyridin-2(1H)-one?

3-Chloro-5-(trifluoromethyl)pyridin-2(1H)-one has molecular formula C6H3ClF3NO and molecular weight 197.542 g/mol.

Is 3-Chloro-5-(trifluoromethyl)pyridin-2(1H)-one hazardous?

3-Chloro-5-(trifluoromethyl)pyridin-2(1H)-one 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 3-Chloro-5-(trifluoromethyl)pyridin-2(1H)-one?

For 3-Chloro-5-(trifluoromethyl)pyridin-2(1H)-one, Upstream Products: 2,3-Dichloro-5-(trifluoromethyl)pyridine, 2,3-Dichloro-5-(trichloromethyl)pyridine.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "3-Chloro-5-(trifluoromethyl)pyridin-2(1H)-one (CAS 76041-71-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24115-6 (accessed 2026-11-09).

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