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1-Butyl-3-methylimidazolium trifluoromethanesulfonate

1-丁基-3-甲基咪唑三氟甲烷磺酸盐

Also known as: 1-butyl-3-methylimidazolium triflate, 1-n-butyl-3-methylimidazolium triflate, 1-butyl-3-methylimidazolium trifluoromethansulfonate, BMIM OTf, 1-butyl-3-methyl-1H-imidazol-3-ium trifluoromethanesulfonate, 1-n-Butyl-3-methylimidazolium trifluoromethanesulfonate, MFCD03427620

1-Butyl-3-methylimidazolium trifluoromethanesulfonate (CAS 174899-66-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H15F3N2O3S and a molecular weight of 288.287 g/mol. It is also known as 1-butyl-3-methylimidazolium triflate, 1-n-butyl-3-methylimidazolium triflate and 1-butyl-3-methylimidazolium trifluoromethansulfonate. Key properties include a melting point of 16°C, a density of 1.2951 and a flash point of >100°C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
174899-66-2
Jingsj CID
J-1494472-1
Molecular Formula
C9H15F3N2O3S
Chinese Name
1-丁基-3-甲基咪唑三氟甲烷磺酸盐
Molecular Weight
288.287 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point16°C
Density1.2951
Flash Point>100°C

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of 1-Butyl-3-methylimidazolium trifluoromethanesulfonate?

The CAS number of 1-Butyl-3-methylimidazolium trifluoromethanesulfonate is 174899-66-2.

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

1-Butyl-3-methylimidazolium trifluoromethanesulfonate has molecular formula C9H15F3N2O3S and molecular weight 288.287 g/mol.

Is 1-Butyl-3-methylimidazolium trifluoromethanesulfonate hazardous?

1-Butyl-3-methylimidazolium trifluoromethanesulfonate 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. "1-Butyl-3-methylimidazolium trifluoromethanesulfonate (CAS 174899-66-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1494472-1 (accessed 2026-10-22).

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