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Propylene glycol alginate

CAS 9005-37-2

Alginic acid, ester with 1,2-propanediol

Molecular structure of 9005-37-2
US productionNot reported
Import value, 2024$85M
Top sourceNorway 50%

EPA exempts this chemical from its production survey.

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 391310 · narrow

These shares come from HS customs code 391310, which covers 6 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
NO 50%NorwayCN 27%ChinaJP 13%JapanCL 5%ChileIT 2%Italy

Why It Matters

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

Chemical Identity

CAS9005-37-2
PubChem CIDNot recorded
DTXSIDDTXSID7044186
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

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Brief citations

Propylene glycol alginate (CAS 9005-37-2) https://chemicalindependence.com/chemical/9005-37-2/ EPA TSCA Inventory: CAS 9005-37-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 391310 for CAS 9005-37-2. Reporting year: 2024. https://usatrade.census.gov/