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Naphthenic acids, iron salts

CAS 1338-14-3

Molecular structure of 1338-14-3
1 Fe²⁺ · 1 Fe³⁺
US productionNot reported
Import value, 2024$6.1B
Top sourceJapan 32%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 382499 · basket

These shares come from HS customs code 382499, which covers 206 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
JP 32%JapanKR 27%South KoreaDE 8%GermanyCA 6%CanadaCN 4%China

Why It Matters

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

Chemical Identity

CAS1338-14-3
PubChem CIDNot recorded
DTXSIDDTXSID801014573
Formula(CH2)m(CH2)m(CH2)m(C)n(C)n(C)nC18H27Fe2O6
Mol. WeightNot recorded
SMILES[Fe++].[Fe+3].[H]C([H])([H])*.[H]C([H])([H])*.[H]C([H])([H])*.[O-]C(=O)CC1CCCC1.[O-]C(=O)CC1CCCC1.[O-]C(=O)CC1CCCC1 |lp:17:3,19:2,26:3,28:2,35:3,37:2,m:6:22.23,11:31.32,16:40.41,Sg:n:20::ht,Sg:n:4,2,3:m:ht,Sg:n:29::ht,Sg:n:9,7,8:m:ht,Sg:n:38::ht,Sg:n:14,12,13:m:ht|

Data Sources

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Brief citations

Naphthenic acids, iron salts (CAS 1338-14-3) https://chemicalindependence.com/chemical/1338-14-3/ EPA TSCA Inventory: CAS 1338-14-3. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 382499 for CAS 1338-14-3. Reporting year: 2024. https://usatrade.census.gov/