Clonidine

可乐定

Also known as: 2-(2,6-Dichloroanilino)-2-imidazoline, 2-(2,6-Dichlorophenylamino)-2-imidazoline, 2,6-Dichloro-N-(2-imidazolin-2-yl)aniline, Catapres, Catapresan, Catapressan, Catapres-TTS, Clonidin, Chlornidinum, Duraclon, Kapvay, Nexiclon, Adesipress, EINECS 224-119-4, N-(2,6-Dichlorophenyl)-4,5-dihydro-1H-imidazol-2-amine, 2,6-Dichloro-N-imidazolidin-2-ylideneaniline, 2,6-Dichlor-N-imidazolidin-2-ylidenanilin, clonidine (imino form), clonidine (amino form)

Clonidine (CAS 4205-90-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H9Cl2N3 and a molecular weight of 230.094 g/mol. It is also known as 2-(2,6-Dichloroanilino)-2-imidazoline, 2-(2,6-Dichlorophenylamino)-2-imidazoline and 2,6-Dichloro-N-(2-imidazolin-2-yl)aniline. Key properties include a melting point of 141-142℃, a boiling point of 319.3±52.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 146.9±30.7 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4205-90-7
Jingsj CID
J-1975923-6
Molecular Formula
C9H9Cl2N3
Chinese Name
可乐定
Molecular Weight
230.094 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point141-142℃
Boiling Point319.3±52.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point146.9±30.7 °C

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of Clonidine?

The CAS number of Clonidine is 4205-90-7.

What are the molecular formula and molecular weight of Clonidine?

Clonidine has molecular formula C9H9Cl2N3 and molecular weight 230.094 g/mol.

Is Clonidine hazardous?

Clonidine has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "Clonidine (CAS 4205-90-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1975923-6 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.