Calcium carbide (CaC2)

CAS 75-20-7

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$4M

Top sourceBrazil 51%

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.

Where It Comes From

Customs basis: HS 284910 · exact

EPA reports by year

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

Source Countries

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

BR 51%BrazilSK 44%SlovakiaCA 3%CanadaCN 2%China

Mexico

EPA-registered importers (2)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Nippon Sanso Holdings · JP Japan

Matheson Tri-Gas

Why It Matters

Sectors

EnergyMetals & 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

Chemical Identity

CAS75-20-7

PubChem CIDNot recorded

DTXSIDDTXSID4026399

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID4026399Retrieved 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

Calcium carbide (CaC2) (CAS 75-20-7) https://chemicalindependence.com/chemical/75-20-7/ EPA CompTox (DSSTox): DTXSID4026399. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4026399 EPA Chemical Data Reporting: 75-20-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 75-20-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 284910 for CAS 75-20-7. Reporting year: 2024. https://usatrade.census.gov/