Ethyl sulfate (Et2SO4)

CAS 64-67-5

EPA’s 2023 records show zero U.S. production of this chemical.

US productionZero

Import value, 2024$208M

Import volumeCBI

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

Top sourceChina 28%

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. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 292090 · basket

EPA reports by year

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

These shares come from HS customs code 292090, which covers 98 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

CN 28%ChinaKR 17%South KoreaIT 13%ItalyIN 10%IndiaDE 9%Germany

Poland
Switzerland
Ireland
Canada
Lithuania
Netherlands
Brazil
Malaysia
Hungary
Czech Republic
Saudi Arabia
Slovakia
Ukraine
Turkey

Domestic parents -- activity not disclosed (2)

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

Brenntag

Polyventive

EPA-registered importers (4)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Aceto Us

Ascent Chemicals

Wego Chemical Group

Why It Matters

Sectors

TextilesPaper & PrintingCore 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

Used in 3 sectors as 3 functional roles.

•Softener and conditioner in Paper Manufacturing (100%)Processing as a reactant
•Pigment in Synthetic Dye and Pigment Manufacturing (100%)Processing as a reactant
•Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.09/gSigma-Aldrich (Rush Stock)

CountryGermany

Pack$172.71 / 2 kg

Purity98%

Vendors7 available

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

6 more vendors

Vendor	Country	$/g	Pack	Purity
Sigma-Aldrich	Germany	$0.09	2 kg	98%
AA BLOCKS	United States	$0.48	25 g	98%
A2B Chem LLC	United States	$0.48	25 g	98%
AK Scientific, Inc.	United States	$0.67	100 g	98%
Labotest KG	Germany	$217.80	5000 mg	90%
Otava, Ltd.	Ukraine	$460.00	250 mg	95%

Chemical Identity

CAS64-67-5

PubChem CID6163

DTXSIDDTXSID1024045

FormulaC4H10O4S

Mol. Weight154.19 g/mol

SMILESCCOS(=O)(=O)OCC

Data Sources

EPA CompTox (DSSTox) · DTXSID1024045Retrieved 2026-04-06
PubChem · compound 6163Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Ethyl sulfate (Et2SO4) (CAS 64-67-5) https://chemicalindependence.com/chemical/64-67-5/ EPA CompTox (DSSTox): DTXSID1024045. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID1024045 PubChem: 6163. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/6163 EPA Chemical Data Reporting: 64-67-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 64-67-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292090 for CAS 64-67-5. Reporting year: 2024. https://usatrade.census.gov/