Dioctyldimethylammonium chloride

CAS 5538-94-3

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

Molecular structure of 5538-94-3 — 1 Cl⁻

US productionCBI

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

Import value, 2024$108M

Top sourceChina 14%

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. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 292390 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Zero · Imports 23.8K lb

These shares come from HS customs code 292390, which covers 130 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 14%ChinaGB 13%United KingdomDE 11%GermanyIN 10%IndiaTW 10%Taiwan

Israel
Indonesia
Sweden
Turkey
United Arab Emirates
Malaysia
Singapore
Lithuania
Brazil
Hong Kong
Australia
Belgium
Ukraine

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.

Pilot Chemical Holdings

EPA-registered importers (2)

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

Monosol

Solenis

Why It Matters

Sectors

Metals & Mining

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

Vendor Pricing

$0.18/gAaron Chemicals LLC

CountryHong Kong

Pack$89.00 / 500 g

Purity80%

Vendors7 available

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

6 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.19	500 g	80%
A2B Chem LLC	United States	$0.36	1 kg	—
AA BLOCKS	United States	$0.39	1 kg	—
AK Scientific, Inc.	United States	$15.20	25 g	—
Angene International Limited	United States	$24.76	25 g	—
Angene	China → Hong Kong	$4266.67	30 mg	80%

Chemical Identity

CAS5538-94-3

PubChem CID62581

DTXSIDDTXSID6035491

FormulaC18H40ClN

Mol. Weight306 g/mol

SMILESCCCCCCCC[N+](C)(C)CCCCCCCC.[Cl-]

Data Sources

EPA CompTox (DSSTox) · DTXSID6035491Retrieved 2026-04-06
PubChem · compound 62581Retrieved 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

Dioctyldimethylammonium chloride (CAS 5538-94-3) https://chemicalindependence.com/chemical/5538-94-3/ EPA CompTox (DSSTox): DTXSID6035491. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6035491 PubChem: 62581. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/62581 EPA Chemical Data Reporting: 5538-94-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 5538-94-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292390 for CAS 5538-94-3. Reporting year: 2024. https://usatrade.census.gov/