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Clopidol

Also known as: 3,5-Dichloro-2,6-dimethylpyridin-4-ol, 3,5-Dichloro-2,6-dimethyl-4-pyridinol, 3,5-Dichloro-2,6-dimethylpyridin-4(1H)-one, 3,5-Dichloro-2,6-dimethylpyridin-4(3H)-one, 2,6-Dimethyl-3,5-dichloro-4-pyridinol, 2,6-dimethyl-3,5-dichloro-4-hydroxypyridine, Clopindol, Clopimdol, Meticlorpindol, CLOPIDOLUM, coydEN, lerbek, coccidiostatc

Clopidol (CAS 2971-90-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H7Cl2NO and a molecular weight of 192.043 g/mol. Key properties include a melting point of >320℃, a boiling point of 318.4±37.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 146.4±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 Nov 3, 2026.

CAS No.
2971-90-6
Jingsj CID
J-30817-9
Molecular Formula
C7H7Cl2NO
Molecular Weight
192.043 g/mol
Category
Pharma Intermediates
Last updated
11/3/2026

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Physicochemical Properties

Melting Point>320℃
Boiling Point318.4±37.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point146.4±26.5 °C
Exact Mass190.990463
PSA32.86000
LogP1.24
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.578

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 Clopidol?

The CAS number of Clopidol is 2971-90-6.

What are the molecular formula and molecular weight of Clopidol?

Clopidol has molecular formula C7H7Cl2NO and molecular weight 192.043 g/mol.

Is Clopidol hazardous?

Clopidol has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory 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. "Clopidol (CAS 2971-90-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30817-9 (accessed 2026-11-07).

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