Lofexidine

洛非西定

Also known as: 2-(1-(2,6-dichlorophenoxy)ethyl)-4,5-dihydro-1H-imidazole, 2-[1-(2,6-dichlorophenoxy)ethyl]-4,5-dihydro-1H-imidazole, 2-[1-(2,6-dichlorophenoxy)ethyl]-2-imidazoline, 2-(alpha-(2,6-dichlorophenoxy)ethyl)-2-imidazoline, 2-(1-(2,6-dichlorophenoxy)ethyl)-4,5-dihydro-1H-imidazol, 2-{1-[(2,6-dichlorophenyl)oxy]ethyl}-4,5-dihydro-1H-imidazole, Britlofex, Lofexidina, Lofexidinum, UNII:UI82K0T627, (±)-2-[1-(2,6-Dichlorophenoxy)ethyl]-2-imidazoline, (-)-2-[1-(2,6-dichlorophenoxy)-ethyl]-1,3-diazacyclopent-2-ene, 2-(a-(2,6-dichlorophenoxy)ethyl)-2-imidazoline, 1H-Imidazole, 2-[1-(2,6-dichlorophenoxy)ethyl]-4,5-dihydro-, 6-dichlorophenoxy)ethyl)-2-imidazoline2-(1-(, rac-2-[1-(2,6-dichlorophenoxy)ethyl]-1,3-diazacyclopent-2-ene

Lofexidine (CAS 31036-80-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C11H12Cl2N2O and a molecular weight of 259.132 g/mol. It is also known as 2-(1-(2,6-dichlorophenoxy)ethyl)-4,5-dihydro-1H-imidazole, 2-[1-(2,6-dichlorophenoxy)ethyl]-4,5-dihydro-1H-imidazole and 2-[1-(2,6-dichlorophenoxy)ethyl]-2-imidazoline. Key properties include a melting point of 215-225 °C, a boiling point of 421.5±35.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 208.7±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
31036-80-3
Jingsj CID
J-15763-2
Molecular Formula
C11H12Cl2N2O
Chinese Name
洛非西定
Molecular Weight
259.132 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point215-225 °C
Boiling Point421.5±35.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point208.7±25.9 °C

Frequently Asked Questions

What is the CAS number of Lofexidine?

The CAS number of Lofexidine is 31036-80-3.

What are the molecular formula and molecular weight of Lofexidine?

Lofexidine has molecular formula C11H12Cl2N2O and molecular weight 259.132 g/mol.

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

Last updated:

How to cite: Jingsj. "Lofexidine (CAS 31036-80-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15763-2 (accessed 2026-10-24).

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