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Sodium barbiturate

CAS 4390-16-3

2,4,6(1H,3H,5H)-Pyrimidinetrione, sodium salt (1:1)

Molecular structure of 4390-16-3
1 Na⁺
US productionNot reported
Import value, 2024$2M
Top sourceSingapore 66%

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 293354 · basket

These shares come from HS customs code 293354, which covers 13 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
SG 66%SingaporeHU 25%HungaryDE 6%GermanyCN 2%China

Why It Matters

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

Chemical Identity

CAS4390-16-3
PubChem CIDNot recorded
DTXSIDDTXSID80890587
FormulaC4H3N2NaO3
Mol. Weight150.069 g/mol
SMILES[Na+].O=C1CC(=O)[N-]C(=O)N1

Data Sources

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Brief citations

Sodium barbiturate (CAS 4390-16-3) https://chemicalindependence.com/chemical/4390-16-3/ EPA TSCA Inventory: CAS 4390-16-3. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293354 for CAS 4390-16-3. Reporting year: 2024. https://usatrade.census.gov/