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2-Propenoic acid, 2-methyl-, 3a,4,7,7a-tetrahydro-4,7-methano-1H-indenyl ester

CAS 51178-59-7

Molecular structure of 51178-59-7
US productionNot reported
Import value, 2024$257M
Top sourceGermany 26%

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 291614 · basket

These shares come from HS customs code 291614, which covers 98 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
DE 26%GermanyKR 17%South KoreaJP 12%JapanCN 9%ChinaSG 9%Singapore

Why It Matters

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

Chemical Identity

CAS51178-59-7
PubChem CIDNot recorded
DTXSIDDTXSID60965449
FormulaC14H16O2
Mol. Weight216.28 g/mol
SMILESCC(=C)C(=O)OC1C=CC2C3CC(C=C3)C12

Data Sources

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Brief citations

2-Propenoic acid, 2-methyl-, 3a,4,7,7a-tetrahydro-4,7-methano-1H-indenyl ester (CAS 51178-59-7) https://chemicalindependence.com/chemical/51178-59-7/ EPA TSCA Inventory: CAS 51178-59-7. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291614 for CAS 51178-59-7. Reporting year: 2024. https://usatrade.census.gov/