Flag of the United StatesAmerican Chemical Independence

p-Hydroxycinnamic acid

CAS 7400-08-0

2-Propenoic acid, 3-(4-hydroxyphenyl)-

Molecular structure of 7400-08-0
US productionNot reported
Import value, 2024$122M
Top sourceSouth Korea 39%

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 291829 · basket

These shares come from HS customs code 291829, which covers 85 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
KR 39%South KoreaCN 26%ChinaTW 11%TaiwanJP 9%JapanSG 5%Singapore

Why It Matters

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

Chemical Identity

CAS7400-08-0
PubChem CIDNot recorded
DTXSIDDTXSID6064660
FormulaC9H8O3
Mol. Weight164.16 g/mol
SMILESOC(=O)C=CC1=CC=C(O)C=C1

Data Sources

← Back to Dashboard

Brief citations

p-Hydroxycinnamic acid (CAS 7400-08-0) https://chemicalindependence.com/chemical/7400-08-0/ EPA TSCA Inventory: CAS 7400-08-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291829 for CAS 7400-08-0. Reporting year: 2024. https://usatrade.census.gov/