Diatomaceous earth, calcined
CAS 91053-39-3
Used in 3 industrial sectors tracked by the EPA.
US production20.2M lb
Import volume116.4K lb
Import dependency1%
Top sourceNo public record
Production is reported production, not a complete census of factories. Production reporting year: 2023.
Where It Comes From
EPA reports by year
- 2023
- US production 20.2M lb · Imports 116.4K lb
- 2019
- US production Confidential · Imports Confidential
EPA-registered manufacturers (3)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Haldor Topsoe
Minerals Technologies
Shinagawa Americas
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.
Clariant International · CH Switzerland
Clariant
Why It Matters
Sectors
EnergyMetals & MiningCore 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
Used in 2 sectors as 2 functional roles.
- •Filler in All Other Basic Inorganic Chemical Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product
- •Adsorbent in Petroleum Refineries (100%)Use—non-incorporative activities
Chemical Identity
CAS91053-39-3
PubChem CIDNot recorded
DTXSIDDTXSID6049569
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded
Data Sources
- EPA CompTox (DSSTox) · DTXSID6049569Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
Brief citations
Diatomaceous earth, calcined (CAS 91053-39-3) https://chemicalindependence.com/chemical/91053-39-3/ EPA CompTox (DSSTox): DTXSID6049569. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6049569 EPA Chemical Data Reporting: 91053-39-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 91053-39-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting