Diamond

CAS 7782-40-3

EPA’s 2023 records show zero U.S. production of this chemical.

C12.0 g/mol

no molecular structure to draw

US productionZero

Import value, 2024$45M

Import volumeCBI

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

Top sourceChina 60%

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. Production reporting year: 2023.

Where It Comes From

Customs basis: HS 710510 · exact

EPA reports by year

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

Source Countries

Country of origin for US imports, from Census customs data (2024).

CN 60%ChinaIE 11%IrelandKR 11%South KoreaCH 5%SwitzerlandJP 4%Japan

Bulgaria
Canada
Finland
Germany
Belgium
South Africa
Dominican Republic
Taiwan
Mexico
Italy
Vietnam

Why It Matters

Sectors

Electronics

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

•Abrasives in Computer and Electronic Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS7782-40-3

PubChem CID5462310

DTXSIDDTXSID10905072

FormulaC

Mol. Weight12.011 g/mol

SMILESC

Data Sources

EPA CompTox (DSSTox) · DTXSID10905072Retrieved 2026-04-06
PubChem · compound 5462310Retrieved 2026-04-06
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

Diamond (CAS 7782-40-3) https://chemicalindependence.com/chemical/7782-40-3/ EPA CompTox (DSSTox): DTXSID10905072. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID10905072 PubChem: 5462310. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/5462310 EPA Chemical Data Reporting: 7782-40-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting FDA National Drug Code directory: CAS 7782-40-3. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 710510 for CAS 7782-40-3. Reporting year: 2024. https://usatrade.census.gov/