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1-Ethyl-3-methylimidazolium chloride

Also known as: 3-ethyl-1-methyl-1H-imidazol-3-ium chloride, [EMIM]Cl, [C2mim]Cl, [C2mim][Cl], [EMIM][Cl], 1-ethyl-3-methylimidazol-3-ium chloride, 1-methyl-3-ethylimidazolium chloride, MFCD00074843

1-Ethyl-3-methylimidazolium chloride (CAS 65039-09-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H11ClN2 and a molecular weight of 146.618 g/mol. Key properties include a melting point of 77-79 °C(lit.), a density of 1.112 g/cm3 at 80 °C and a flash point of 186 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
65039-09-0
Jingsj CID
J-34286-9
Molecular Formula
C6H11ClN2
Molecular Weight
146.618 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point77-79 °C(lit.)
Density1.112 g/cm3 at 80 °C
Flash Point186 °C
Exact Mass146.061081
PSA8.81000

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation

Customs & Trade Information

HS Code2933290090
Summary2933290090. other compounds containing an unfused imidazole 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 1-Ethyl-3-methylimidazolium chloride?

The CAS number of 1-Ethyl-3-methylimidazolium chloride is 65039-09-0.

What are the molecular formula and molecular weight of 1-Ethyl-3-methylimidazolium chloride?

1-Ethyl-3-methylimidazolium chloride has molecular formula C6H11ClN2 and molecular weight 146.618 g/mol.

Is 1-Ethyl-3-methylimidazolium chloride hazardous?

1-Ethyl-3-methylimidazolium chloride has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 1-Ethyl-3-methylimidazolium chloride?

For 1-Ethyl-3-methylimidazolium chloride, Upstream Products: 1-methylimidazole, Chloroethane, Dichloromethane; Downstream Products: 1-methylimidazole, 1-Ethylimidazole, 1-Ethyl-3-methylimidazolium tetrachloroferrate.

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

Last updated:

How to cite: Jingsj. "1-Ethyl-3-methylimidazolium chloride (CAS 65039-09-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34286-9 (accessed 2026-11-09).

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