Silicon nitride (Si3N4)

Drug ingredient

This drug ingredient has classified U.S. production volumes. EPA withholds the number as confidential business information.

US ProductionCBI

Import Value$31M

Top SourceChina 29%

The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.

Where It Comes From

Customs basis: HS 285000 · basket

These shares come from HS customs code 285000, which covers 12 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries

CN 29%ChinaDE 29%GermanyJP 22%JapanTW 3%TaiwanIN 2%India

EPA-registered importers (2)

Ube Industries · JP Japan

Ube America

Why It Matters

Sectors

HealthMetals & Mining

Downstream Uses

Appears in 1 drug and cosmetic product listings (FDA).

•Silicium Nitricatum

FDA Shortage Status

No FDA shortage records

Industrial Uses

Used in 1 sector as 1 functional role.

•Abrasives in Fabricated Metal Product Manufacturing (100%)Use—non-incorporative activities

Chemical Identity

CAS12033-89-5

PubChem CID3084099

DTXSIDDTXSID20892247

FormulaN4Si3

Mol. Weight140.28 g/mol

SMILESN12[Si]34N5[Si]16N3[Si]25N46

Data Sources

DTXSID208922472026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

30840992026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/3084099/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/3084099.json

12033-89-52026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

CAS 12033-89-52026-04-25

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr_industrial.csv

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