Plaster of Paris
CAS 26499-65-0
Used in 1 industrial sector tracked by the EPA.
US production34.6K lb
Import volumeZero
Import dependency0%
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 34.6K lb · Imports Zero
EPA-registered manufacturers (1)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Chemmasters
Why It Matters
Sectors
Construction
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
- •Filler in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing) (100%)Processing—incorporation into formulation, mixture, or reaction product
Chemical Identity
CAS26499-65-0
PubChem CIDNot recorded
DTXSIDDTXSID90894798
FormulaCa2H2O9S2
Mol. Weight290.28 g/mol
SMILESO.[Ca++].[Ca++].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O
Data Sources
- EPA CompTox (DSSTox) · DTXSID90894798Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
Brief citations
Plaster of Paris (CAS 26499-65-0) https://chemicalindependence.com/chemical/26499-65-0/ EPA CompTox (DSSTox): DTXSID90894798. Retrieved 2026-10-04. https://comptox.epa.gov/dashboard/chemical/details/DTXSID90894798 EPA Chemical Data Reporting: 26499-65-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 26499-65-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting