Samarium

CAS 7440-19-9

Companies reported imports and no US production of this chemical to EPA for 2023.

Sm150.4 g/mol

no molecular structure to draw

US productionZero

Import value, 2024$5M

Import volume44.1K lb

Import dependency100%

Top sourceChina 78%

Production is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Samarium · US import value by year

2013: $10M · Peak 2023: $22M · 2024: $5M · 2025: $8M

Where It Comes From

Customs basis: HS 280530 · basket

EPA reports by year

2023: US production Zero · Imports 44.1K lb

These shares come from HS customs code 280530, which covers 16 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 78%ChinaCA 9%CanadaGB 8%United KingdomJP 2%JapanNL 1%Netherlands

Hong Kong
Turkey
Czech Republic
Germany
Australia

Why It Matters

Sectors

Metals & Mining

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

•Alloys in Fabricated Metal Product Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS7440-19-9

PubChem CID23951

DTXSIDDTXSID4064688

FormulaSm

Mol. Weight150.4 g/mol

SMILES[Sm]

Data Sources

PubChem · compound 23951Retrieved 2026-04-07
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
FDA National Drug Code directoryRetrieved 2026-04-07
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Samarium (CAS 7440-19-9) https://chemicalindependence.com/chemical/7440-19-9/ PubChem: 23951. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/23951 EPA Chemical Data Reporting: 7440-19-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 280530 for CAS 7440-19-9. Reporting year: 2024. https://usatrade.census.gov/