Chromium trioxide
Drug ingredientCAS 1333-82-0
This drug ingredient has classified U.S. production volumes. EPA withholds the number 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$11M
Top sourceKazakhstan 44%
At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.
Why supply is unknownProduction 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 281910 · exact
EPA reports by year
- 2023
- US production Confidential · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
Source Countries
Country of origin for US imports, from Census customs data (2024).
KZ 44%KazakhstanIN 25%IndiaZA 15%South AfricaCN 12%ChinaCA 1%Canada
- Spain
- Belgium
- Germany
- Japan
EPA-registered manufacturers (8)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Basf Se · DE Germany
Ineos · GB United Kingdom
American Chrome & Chemicals
Basf
Chevron Phillips Chemical
Show all 8
Henkel
Ineos Us I
Macdermid
Domestic parents -- activity not disclosed (1)
EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.
Mexichem Fluor
EPA-registered importers (7)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Basf Se · DE Germany
Clariant International · CH Switzerland
Clariant
Johnson Matthey
Koppers
Show all 7
Phibro Animal Health
Wintersun International
2 FDA-registered drug labelers
Apex Energetics Inc.
Deseret Biologicals, Inc
Why It Matters
Sectors
Plastics & RubberElectronicsTransportationCore ChemicalsHealthEnergyMetals & MiningAgricultureConstruction
Downstream Uses
Appears in 2 drug and cosmetic product listings (FDA).
- •Glyreg
- •D09 SNS-DRN
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 14 sectors as 10 functional roles.
- •Catalyst in Plastics Material and Resin Manufacturing (100%)Processing as a reactant
- •Processing aids, specific to petroleum production in Petrochemical Manufacturing (10%)Processing as a reactant
- •Plating agent in Miscellaneous Manufacturing (70%)Processing—repackaging
- •Intermediate in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Adhesion/cohesion promoter in Fabricated Metal Product Manufacturing (54%)Processing—incorporation into formulation, mixture, or reaction product
- •Adhesion/cohesion promoter in Electrical Equipment, Appliance, and Component Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product
- •Adhesion/cohesion promoter in Transportation Equipment Manufacturing (43%)Processing—incorporation into formulation, mixture, or reaction product
- •Adhesion/cohesion promoter in Machinery Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product
- •Adhesion/cohesion promoter in Computer and Electronic Product Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product
- •Plating agent in Fabricated Metal Product Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Catalyst in Petroleum Refineries (65%)Use—non-incorporative activities
- •Catalyst in Industrial Gas Manufacturing (35%)Use—non-incorporative activities
- •Etching agent in All Other Chemical Product and Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Plating agent in All Other Chemical Product and Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Chelating agent in All Other Chemical Product and Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Catalyst in All Other Chemical Product and Preparation Manufacturing (41%)Use—non-incorporative activities
- •Intermediate in Primary Metal Manufacturing (75%)Processing—incorporation into formulation, mixture, or reaction product
- •Cleaning agent in Primary Metal Manufacturing (35%)Processing—incorporation into formulation, mixture, or reaction product
- •Catalyst in All other Petroleum and Coal Products ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Catalyst in All Other Basic Inorganic Chemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Plating agent in All Other Basic Inorganic Chemical ManufacturingNot Known or Reasonably Ascertainable
- •Corrosion inhibitor in Fabricated Metal Product ManufacturingProcessing—incorporation into article
- •Surface modifier in Fabricated Metal Product ManufacturingUse—non-incorporative activities
Vendor Pricing
$0.18/gSigma-Aldrich (Rush Stock)
CountryGermany
Pack$460.57 / 2.5 kg
Purity99.9%
Vendors4 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
3 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| Sigma-Aldrich | Germany | $0.18 | 2.5 kg | 99.9% |
| AK Scientific, Inc. | United States | $0.19 | 500 g | — |
| AK Scientific Specialized | United States | $0.22 | 500 g | 98% |
Chemical Identity
CAS1333-82-0
PubChem CID14915
DTXSIDDTXSID0040125
FormulaCrO3
Mol. Weight99.994 g/mol
SMILESO=[Cr](=O)=O
Data Sources
- EPA CompTox (DSSTox) · DTXSID0040125Retrieved 2026-04-06
- PubChem · compound 14915Retrieved 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
Brief citations
Chromium trioxide (CAS 1333-82-0) https://chemicalindependence.com/chemical/1333-82-0/ EPA CompTox (DSSTox): DTXSID0040125. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0040125 PubChem: 14915. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/14915 EPA Chemical Data Reporting: 1333-82-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting FDA National Drug Code directory: CAS 1333-82-0. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 281910 for CAS 1333-82-0. Reporting year: 2024. https://usatrade.census.gov/