Zinc selenide (ZnSe)

CAS 1315-09-9

U.S. production volumes are classified as confidential business information.

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import value, 2024$32M

Import volumeZero

Top sourceChina 39%

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

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

Where It Comes From

Customs basis: HS 284290 · basket

EPA reports by year

2023: US production Confidential · Imports Zero
2019: US production Confidential · Imports Zero

These shares come from HS customs code 284290, which covers 96 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 39%ChinaDE 33%GermanyCA 9%CanadaGB 4%United KingdomJP 3%Japan

Taiwan
Colombia
Mexico
Denmark
Belgium
Sweden
Switzerland
Italy
Poland
Czech Republic
Armenia

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Coherent

Why It Matters

Sectors

Core Chemicals

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

•Intermediate in All Other Basic Inorganic Chemical ManufacturingProcessing—incorporation into article

Chemical Identity

CAS1315-09-9

PubChem CIDNot recorded

DTXSIDDTXSID80893851

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID80893851Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Zinc selenide (ZnSe) (CAS 1315-09-9) https://chemicalindependence.com/chemical/1315-09-9/ EPA CompTox (DSSTox): DTXSID80893851. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID80893851 EPA Chemical Data Reporting: 1315-09-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1315-09-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 284290 for CAS 1315-09-9. Reporting year: 2024. https://usatrade.census.gov/