1-Ethyl-3-methylimidazolium tetrafluoroborate

1-乙基-3-甲基咪唑四氟硼酸盐

Also known as: 1-Ethyl-3-methyl-1H-imidazol-3-ium tetrafluoroborate, 1-Ethyl-3-methylimidazolium Tetrafluoroborate, 1-ethyl-3-methylimidazol-3-ium,tetrafluoroborate, 3-Ethyl-1-methyl-1H-imidazol-3-ium tetrafluoroborate, EMIMBF4, MFCD00216668

1-Ethyl-3-methylimidazolium tetrafluoroborate (CAS 143314-16-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H11BF4N2 and a molecular weight of 197.970 g/mol. It is also known as 1-Ethyl-3-methyl-1H-imidazol-3-ium tetrafluoroborate, 1-Ethyl-3-methylimidazolium Tetrafluoroborate and 1-ethyl-3-methylimidazol-3-ium,tetrafluoroborate. Key properties include a melting point of 15 °C(lit.), a boiling point of >350 °C(lit.), a density of 1.294 g/mL at 25 °C(lit.) and a flash point of >230 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
143314-16-3
Jingsj CID
J-3539-0
Molecular Formula
C6H11BF4N2
Chinese Name
1-乙基-3-甲基咪唑四氟硼酸盐
Molecular Weight
197.970 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point15 °C(lit.)
Boiling Point>350 °C(lit.)
Density1.294 g/mL at 25 °C(lit.)
Flash Point>230 °F

GHS Safety & Compliance

Irritant / Environmental HazardSignal word: Warning

Frequently Asked Questions

What is the CAS number of 1-Ethyl-3-methylimidazolium tetrafluoroborate?

The CAS number of 1-Ethyl-3-methylimidazolium tetrafluoroborate is 143314-16-3.

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

1-Ethyl-3-methylimidazolium tetrafluoroborate has molecular formula C6H11BF4N2 and molecular weight 197.970 g/mol.

Is 1-Ethyl-3-methylimidazolium tetrafluoroborate hazardous?

1-Ethyl-3-methylimidazolium tetrafluoroborate has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "1-Ethyl-3-methylimidazolium tetrafluoroborate (CAS 143314-16-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3539-0 (accessed 2026-10-22).

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