Naphthenic acids, reaction products with diethylenetriamine

CAS 68131-13-5

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.

Import value, 2024$130M

Top sourceGermany 51%

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 381190 · narrow

EPA reports by year

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

These shares come from HS customs code 381190, which covers 3 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).

DE 51%GermanyIN 15%IndiaGB 8%United KingdomMX 6%MexicoCA 5%Canada

Brazil
Ghana
South Korea
Norway
China
Honduras
Switzerland
Malaysia
Guyana
Singapore
Taiwan
Greece
Hungary
Ukraine
United Arab Emirates
Tunisia
Lithuania
Israel
Croatia
Turkey

EPA-registered manufacturers (1)

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

Baker Hughes

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.

Starchem

Why It Matters

Sectors

EnergyCore 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 2 sectors as 1 functional role.

•Corrosion inhibitor in Oil and Gas Drilling, Extraction, and Support activitiesUse—non-incorporative activities
•Corrosion inhibitor in All Other Chemical Product and Preparation ManufacturingProcessing—repackaging

Chemical Identity

CAS68131-13-5

PubChem CIDNot recorded

DTXSIDDTXSID9028384

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID9028384Retrieved 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

Naphthenic acids, reaction products with diethylenetriamine (CAS 68131-13-5) https://chemicalindependence.com/chemical/68131-13-5/ EPA CompTox (DSSTox): DTXSID9028384. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9028384 EPA Chemical Data Reporting: 68131-13-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 68131-13-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 381190 for CAS 68131-13-5. Reporting year: 2024. https://usatrade.census.gov/