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1-Ethyl-3-methylimidazolium trifluoromethanesulfonate

Also known as: 1-Ethyl-3-methylimidazolium triflate, EMIM OTf, 3-Ethyl-1-methyl-1H-imidazol-3-ium trifluoromethanesulfonate, 1-Ethyl-3-methyl-1H-imidazol-3-ium trifluoromethanesulfonate, 1-ethyl-3-methylimidazol-3-ium trifluoromethanesulfonate

1-Ethyl-3-methylimidazolium trifluoromethanesulfonate (CAS 145022-44-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H11F3N2O3S and a molecular weight of 260.234 g/mol. Key properties include a melting point of -10 °C, a boiling point of >350 °C(lit.), a density of 1.387 g/mL at 25 °C(lit.) and a flash point of >110.0 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
145022-44-2
Jingsj CID
J-1526524-4
Molecular Formula
C7H11F3N2O3S
Molecular Weight
260.234 g/mol
Category
Pharma Intermediates
Last updated
11/3/2026

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Physicochemical Properties

Melting Point-10 °C
Boiling Point>350 °C(lit.)
Density1.387 g/mL at 25 °C(lit.)
Flash Point>110.0 °C
Exact Mass260.044250
PSA74.39000
LogP1.46470
Refractive Indexn20/D 1.435(lit.)

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 trifluoromethanesulfonate?

The CAS number of 1-Ethyl-3-methylimidazolium trifluoromethanesulfonate is 145022-44-2.

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

1-Ethyl-3-methylimidazolium trifluoromethanesulfonate has molecular formula C7H11F3N2O3S and molecular weight 260.234 g/mol.

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

For 1-Ethyl-3-methylimidazolium trifluoromethanesulfonate, Upstream Products: 1-Ethylimidazole, Methyl trifluoromethanesulfonate, 1-methylimidazole; Downstream Products: 1-Ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide.

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 trifluoromethanesulfonate (CAS 145022-44-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1526524-4 (accessed 2026-11-09).

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