Chitosan

CAS 9012-76-4

US productionNot reported

Import value, 2024$391M

Top sourceChina 23%

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 391390 · basket

These shares come from HS customs code 391390, which covers 12 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 23%ChinaSE 22%SwedenAT 20%AustriaIT 10%ItalyJP 4%Japan

Netherlands
Bulgaria
Norway
Belgium
India
Lithuania
Brazil
Mexico
Malaysia
Dominican Republic
Colombia
Estonia
Taiwan
Barbados
Portugal
Ireland
Hong Kong
Vietnam
Poland
Finland
Hungary
Singapore

Why It Matters

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

Chemical Identity

CAS9012-76-4

PubChem CIDNot recorded

DTXSIDDTXSID6030992

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

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

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Brief citations

Chitosan (CAS 9012-76-4) https://chemicalindependence.com/chemical/9012-76-4/ EPA TSCA Inventory: CAS 9012-76-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 391390 for CAS 9012-76-4. Reporting year: 2024. https://usatrade.census.gov/