Cellulose acetate phthalate

CAS 9004-38-0

Cellulose, acetate hydrogen 1,2-benzenedicarboxylate

US productionNot reported

Import value, 2024$92M

Top sourceIreland 21%

EPA exempts this chemical from its production survey.

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 391290 · narrow

These shares come from HS customs code 391290, which covers 6 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).

IE 21%IrelandIN 18%IndiaJP 13%JapanBR 13%BrazilTW 11%Taiwan

Poland
South Korea
Norway
United Kingdom
Switzerland
Netherlands
Czech Republic
Israel
Finland
Indonesia
Sweden
Slovakia
Spain
Costa Rica
Austria
Hong Kong

Why It Matters

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

Chemical Identity

CAS9004-38-0

PubChem CIDNot recorded

DTXSIDDTXSID2048668

FormulaC32H34O19

Mol. Weight722.605 g/mol

SMILESCC(=O)OC[C@H]1O[C@@H](O[C@@H]2[C@@H](COC(C)=O)O[C@@H](O)[C@H](OC(=O)C3=CC=CC=C3C(O)=O)[C@H]2O)[C@H](O)[C@@H](OC(=O)C2=CC=CC=C2C(O)=O)[C@@H]1O

Data Sources

EPA TSCA InventoryRetrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Cellulose acetate phthalate (CAS 9004-38-0) https://chemicalindependence.com/chemical/9004-38-0/ EPA TSCA Inventory: CAS 9004-38-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 391290 for CAS 9004-38-0. Reporting year: 2024. https://usatrade.census.gov/