1,1,2,2-(4,4',4'',4'''-Tetraglycidyloxyphenyl)ethane

CAS 7328-97-4

U.S. production volumes are classified as confidential business information.

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import value, 2024$87M

Top sourceChina 27%

At least one company claimed its 2019 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 291090 · basket

EPA reports by year

2019: US production Confidential · Imports Confidential

These shares come from HS customs code 291090, which covers 69 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

CN 27%ChinaJP 26%JapanIT 15%ItalyDE 6%GermanyIN 5%India

Ukraine
Singapore
Canada
Finland
Belgium
Spain

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Hexion

EPA-registered importers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Hexion Holdings

Why It Matters

Sectors

Paints & Coatings

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

Used in 1 sector as 2 functional roles.

•Paint additives and coating additives not described by other categories in Paint and Coating Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Plating agents and surface treating agents in Paint and Coating Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS7328-97-4

PubChem CID62630

DTXSIDDTXSID8029286

FormulaC38H38O8

Mol. Weight622.7 g/mol

SMILESC1C(O1)COC2=CC=C(C=C2)C(C3=CC=C(C=C3)OCC4CO4)C(C5=CC=C(C=C5)OCC6CO6)C7=CC=C(C=C7)OCC8CO8

Data Sources

EPA CompTox (DSSTox) · DTXSID8029286Retrieved 2026-04-06
PubChem · compound 62630Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

1,1,2,2-(4,4',4'',4'''-Tetraglycidyloxyphenyl)ethane (CAS 7328-97-4) https://chemicalindependence.com/chemical/7328-97-4/ EPA CompTox (DSSTox): DTXSID8029286. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID8029286 PubChem: 62630. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/62630 EPA Chemical Data Reporting: 7328-97-4. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 7328-97-4. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291090 for CAS 7328-97-4. Reporting year: 2024. https://usatrade.census.gov/