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Benzalkonium chloride C18 unsatd (BAC C18 unsatd)

CAS 37139-99-4

Molecular structure of 37139-99-4
1 Cl⁻
US productionNot reported
Import value, 2024$108M
Top sourceChina 14%

EPA lists this chemical for 2019 but publishes zero or no volume for both production and imports.

Why supply is unknown

Production is reported production, not a complete census of factories. Production reporting year: 2019. 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
2019
US production Not published · Imports Not published

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
CN 14%ChinaGB 13%United KingdomDE 11%GermanyIN 10%IndiaTW 10%Taiwan
Domestic parents -- activity not disclosed (1)
Stepan

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS37139-99-4
PubChem CID6436635
DTXSIDDTXSID20424143
FormulaC27H48ClN
Mol. Weight422.1 g/mol
SMILESCCCCCCCCC=CCCCCCCCC[N+](C)(C)CC1=CC=CC=C1.[Cl-]

Data Sources

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Brief citations

Benzalkonium chloride C18 unsatd (BAC C18 unsatd) (CAS 37139-99-4) https://chemicalindependence.com/chemical/37139-99-4/ EPA CompTox (DSSTox): DTXSID20424143. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID20424143 PubChem: 6436635. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/6436635 EPA Chemical Data Reporting: 37139-99-4. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292390 for CAS 37139-99-4. Reporting year: 2024. https://usatrade.census.gov/