1-Ethyl-3-methylimidazolium ethyl sulfate

CAS 342573-75-5

U.S. production volumes are classified as confidential business information.

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Top sourceNo public record

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2023.

Where It Comes From

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Evonik

Why It Matters

Sectors

Core Chemicals

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

•Emulsifier in All Other Basic Organic Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.18/gAaron Chemicals LLC

CountryHong Kong

Pack$184.00 / 1 kg

Purity98%

Vendors15 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

14 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.20	500 g	98%
A2B Chem LLC	United States	$0.24	500 g	98%
Ambeed, Inc.	United States	$0.30	500 g	98%
Combi-Blocks, Inc.	United States	$0.30	500 g	98%
AA BLOCKS	United States	$0.31	500 g	98%
Sigma-Aldrich (Rush Stock)	Germany	$0.46	1 kg	95%
Sigma-Aldrich	Germany	$0.46	1 kg	95%
Manchester Organics	United Kingdom	$0.65	250 g	98%
ALFA AESAR	Germany	$1.13	250 g	99%
AK Scientific Specialized	United States	$1.42	250 g	95%
AK Scientific, Inc.	United States	$1.90	250 g	98%
AstaTech, Inc	United States	$2.84	25 g	95%
Angene International Limited	United States	$3.06	250 g	98%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS342573-75-5

PubChem CID12095229

DTXSIDDTXSID6049274

FormulaC8H16N2O4S

Mol. Weight236.29 g/mol

SMILESCCN1C=C[N+](=C1)C.CCOS(=O)(=O)[O-]

Data Sources

EPA CompTox (DSSTox) · DTXSID6049274Retrieved 2026-04-06
PubChem · compound 12095229Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

1-Ethyl-3-methylimidazolium ethyl sulfate (CAS 342573-75-5) https://chemicalindependence.com/chemical/342573-75-5/ EPA CompTox (DSSTox): DTXSID6049274. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6049274 PubChem: 12095229. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/12095229 EPA Chemical Data Reporting: 342573-75-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 342573-75-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting