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9-Octadecenoic acid (9Z)-, 2-methylpropyl ester, compd. with sulfuric acid (1:?)

CAS 7779-99-9

Molecular structure of 7779-99-9
US productionNot reported
Import value, 2024$117M
Top sourceChina 50%

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 291619 · basket

These shares come from HS customs code 291619, which covers 169 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 50%ChinaDE 21%GermanyTW 12%TaiwanIN 7%IndiaGB 3%United Kingdom

Why It Matters

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

Chemical Identity

CAS7779-99-9
PubChem CIDNot recorded
DTXSIDDTXSID8064808
FormulaC22H44O6S
Mol. Weight436.65 g/mol
SMILESOS(O)(=O)=O.CCCCCCCCC=CCCCCCCCC(=O)OCC(C)C

Data Sources

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Brief citations

9-Octadecenoic acid (9Z)-, 2-methylpropyl ester, compd. with sulfuric acid (1:?) (CAS 7779-99-9) https://chemicalindependence.com/chemical/7779-99-9/ EPA TSCA Inventory: CAS 7779-99-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291619 for CAS 7779-99-9. Reporting year: 2024. https://usatrade.census.gov/