1-Butyl-3-methylimidazolium hydrogen sulfate

1-丁基-3-甲基咪唑硫酸氢盐

Also known as: 1-Butyl-3-methyl-1H-imidazol-3-ium hydrogen sulfate, 1-Butyl-3-methyl-1H-imidazolium hydrogen sulfate, 1-Butyl-3-methylimidazolium bisulfate, 1-butyl-3-methylimidazol-3-ium,hydrogen sulfate, 1-n-Butyl-3-methylimidazolium hydrogen sulfate, 3-butyl-1-methyl-1H-imidazol-3-ium hydrogensulfate, BASIONIC AC 28, BASIONIC(R) AC 28, BASIONIC(TM) AC 28, BMIM HSO4, Basionics(R) AC 28, MFCD06798197, 1-Butyl-3-methylimidazolium hydrogensulfate

1-Butyl-3-methylimidazolium hydrogen sulfate (CAS 262297-13-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H16N2O4S and a molecular weight of 236.289 g/mol. It is also known as 1-Butyl-3-methyl-1H-imidazol-3-ium hydrogen sulfate, 1-Butyl-3-methyl-1H-imidazolium hydrogen sulfate and 1-Butyl-3-methylimidazolium bisulfate. Key property: a flash point of 284 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
262297-13-2
Jingsj CID
J-1077734-9
Molecular Formula
C8H16N2O4S
Chinese Name
1-丁基-3-甲基咪唑硫酸氢盐
Molecular Weight
236.289 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Flash Point284 °C

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

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

The CAS number of 1-Butyl-3-methylimidazolium hydrogen sulfate is 262297-13-2.

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

1-Butyl-3-methylimidazolium hydrogen sulfate has molecular formula C8H16N2O4S and molecular weight 236.289 g/mol.

Is 1-Butyl-3-methylimidazolium hydrogen sulfate hazardous?

1-Butyl-3-methylimidazolium hydrogen sulfate 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 hydrogen sulfate (CAS 262297-13-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1077734-9 (accessed 2026-10-25).

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