Calcium silicide (CaSi2)

CAS 12013-56-8

Companies reported imports and no US production of this chemical to EPA for 2023.

US productionZero

Import value, 2024$31M

Import volume113.3K lb

Import dependency100%

Top sourceChina 29%

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

Calcium silicide (CaSi2) · US import value by year

2013: $30M · Peak 2018: $40M · 2024: $31M · 2025: $34M

Where It Comes From

Customs basis: HS 285000 · basket

EPA reports by year

2023: US production Zero · Imports 113.3K lb

These shares come from HS customs code 285000, which covers 58 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 29%ChinaDE 29%GermanyJP 22%JapanTW 3%TaiwanIN 2%India

Canada
Russia
Slovenia
Hong Kong
Switzerland
Lithuania
Czech Republic
Spain
Israel
Australia

EPA-registered importers (1)

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

Chemalloy

Why It Matters

Sectors

Metals & 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

Industrial Uses

•Alloys in Primary Metal Manufacturing (100%)Use—non-incorporative activities

Chemical Identity

CAS12013-56-8

PubChem CIDNot recorded

DTXSIDDTXSID70892171

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA TSCA InventoryRetrieved 2026-04-29
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 silicide (CaSi2) (CAS 12013-56-8) https://chemicalindependence.com/chemical/12013-56-8/ EPA TSCA Inventory: CAS 12013-56-8. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 12013-56-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 12013-56-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 285000 for CAS 12013-56-8. Reporting year: 2024. https://usatrade.census.gov/