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Retinal

CAS 116-31-4

Molecular structure of 116-31-4
US productionNot reported
Import value, 2024$87M
Top sourceSwitzerland 43%

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 293621 · basket

These shares come from HS customs code 293621, which covers 7 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CH 43%SwitzerlandCN 33%ChinaIT 13%ItalyIN 5%IndiaDK 4%Denmark

Why It Matters

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

Chemical Identity

CAS116-31-4
PubChem CIDNot recorded
DTXSIDDTXSID5025998
FormulaC20H28O
Mol. Weight284.443 g/mol
SMILESC\C(\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C)=C/C=O

Data Sources

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Brief citations

Retinal (CAS 116-31-4) https://chemicalindependence.com/chemical/116-31-4/ EPA TSCA Inventory: CAS 116-31-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293621 for CAS 116-31-4. Reporting year: 2024. https://usatrade.census.gov/