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2,4-Imidazolidinedione, 3-(hydroxymethyl)-5,5-dimethyl-

CAS 16228-00-5

Molecular structure of 16228-00-5
US productionNot reported
Import value, 2024$19M
Top sourceChina 55%

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 293321 · basket

These shares come from HS customs code 293321, which covers 22 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 55%ChinaTW 34%TaiwanIL 3%IsraelES 2%SpainIN 1%India

Why It Matters

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

Chemical Identity

CAS16228-00-5
PubChem CIDNot recorded
DTXSIDDTXSID1066027
FormulaC6H10N2O3
Mol. Weight158.157 g/mol
SMILESCC1(C)NC(=O)N(CO)C1=O

Data Sources

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Brief citations

2,4-Imidazolidinedione, 3-(hydroxymethyl)-5,5-dimethyl- (CAS 16228-00-5) https://chemicalindependence.com/chemical/16228-00-5/ EPA TSCA Inventory: CAS 16228-00-5. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293321 for CAS 16228-00-5. Reporting year: 2024. https://usatrade.census.gov/