Magnesium arsenide (Mg3As2)

CAS 12044-49-4

US productionNot reported
Import value, 2024$154M
Top sourceGermany 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 285390 · basket

These shares come from HS customs code 285390, which covers 46 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
DE 55%GermanyCA 21%CanadaJP 6%JapanGB 4%United KingdomKR 3%South Korea

Why It Matters

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

Chemical Identity

CAS12044-49-4
PubChem CIDNot recorded
DTXSIDDTXSID301014261
FormulaAs2Mg3
Mol. Weight222.758 g/mol
SMILES[Mg++].[Mg++].[Mg++].[As-3].[As-3]

Data Sources

Brief citations

Magnesium arsenide (Mg3As2) (CAS 12044-49-4) https://chemicalindependence.com/chemical/12044-49-4/ EPA TSCA Inventory: CAS 12044-49-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 285390 for CAS 12044-49-4. Reporting year: 2024. https://usatrade.census.gov/