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Tar acids, cresylic, sodium salts, caustic solns.

CAS 68815-21-4

Molecular structure of 68815-21-4
US productionNot reported
Import value, 2024$6.1B
Top sourceJapan 32%

EPA lists this chemical for 2023 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: 2023. 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

EPA reports by year
2023
US production Not published · Imports Not published

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
Domestic parents -- activity not disclosed (1)
Koppers

Why It Matters

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

Chemical Identity

CAS68815-21-4
PubChem CIDNot recorded
DTXSIDDTXSID9029801
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

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Brief citations

Tar acids, cresylic, sodium salts, caustic solns. (CAS 68815-21-4) https://chemicalindependence.com/chemical/68815-21-4/ EPA TSCA Inventory: CAS 68815-21-4. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 68815-21-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 382499 for CAS 68815-21-4. Reporting year: 2024. https://usatrade.census.gov/