Silica, amorphous, fumed, cryst.-free
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$341M
Top SourceChina 42%
The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.
Where It Comes From
Customs basis: HS 281122 · narrow
These shares come from HS customs code 281122, which covers 6 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.
Source Countries
Country of origin for US imports, from Census customs data (2023).
CN 42%ChinaJP 16%JapanDE 16%GermanyIT 4%ItalyIN 3%India
- Canada
- Singapore
- Spain
- Ukraine
- Switzerland
- Austria
- Bosnia and Herzegovina
- Lithuania
- Indonesia
- Australia
- Turkey
- Poland
- Vietnam
- Belgium
- Iceland
- Morocco
- Egypt
- Peru
- Israel
- Portugal
EPA-registered manufacturers (2)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Corning Incorporated
Momentive Performance Materials
EPA-registered importers (4)
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
Basf
Shin Etsu Silicones Of America
The Procter & Gamble
Why It Matters
Sectors
EnergyElectronicsTransportationConstructionMetals & MiningPlastics & RubberPaints & CoatingsCore Chemicals
Downstream UsesNo data available
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 11 sectors as 12 functional roles.
- •Filler in Plastics Material and Resin Manufacturing (0%)Processing—incorporation into article
- •Surface modifier in Fabricated Metal Product Manufacturing (0%)Processing—incorporation into article
- •Paint additives and coating additives not described by other categories in Transportation Equipment ManufacturingProcessing—incorporation into article
- •Processing aids, specific to petroleum production in Oil and Gas Drilling, Extraction, and Support activitiesProcessing—incorporation into formulation, mixture, or reaction product
- •Pigment in Paint and Coating Manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product
- •Process regulators in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing) (93%)Use—non-incorporative activities
- •Laboratory chemicals in Fabricated Metal Product Manufacturing (0%)Use—non-incorporative activities
- •Finishing agents in Construction (0%)Use—non-incorporative activities
- •Viscosity adjustors in Construction (0%)Use—non-incorporative activities
- •Filler in ConstructionProcessing—incorporation into formulation, mixture, or reaction product
- •Intermediate in All Other Basic Organic Chemical Manufacturing (50%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Synthetic Rubber Manufacturing (20%)Processing—incorporation into formulation, mixture, or reaction product
- •Adhesives and sealant chemicals in Adhesive Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product
- •Adhesives and sealant chemicals in Electrical Equipment, Appliance, and Component Manufacturing (20%)Processing—incorporation into formulation, mixture, or reaction product
- •Binder in Synthetic Rubber Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
Vendor Pricing
$0.00/gAaron Chemicals LLC
CountryHong Kong
Pack$119.00 / 25 kg
PurityNo data available
Vendors17 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
16 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 |
|---|---|---|---|---|
| Angene Chemical | China → Hong Kong | $0.01 | 25 kg | — |
| Fluorochem UK | United Kingdom | $0.01 | 25 kg | — |
| Fluorochem EU | Germany | $0.01 | 25 kg | — |
| A2B Chem LLC (2 weeks) | United States | $0.01 | 5 kg | 90% |
| A2B Chem LLC | United States | $0.01 | 25 kg | — |
| AA BLOCKS | United States | $0.01 | 25 kg | — |
| AA BLOCKS (2 weeks) | United States | $0.01 | 5 kg | 90% |
| Sigma-Aldrich (Rush Stock) | Germany | $0.03 | 25 kg | — |
| Sigma-Aldrich | Germany | $0.03 | 25 kg | — |
| MedChemExpress MCE | Sweden | $0.04 | 2.5 kg | — |
| AK Scientific, Inc. | United States | $0.06 | 1 kg | — |
| Apollo Scientific UK | United Kingdom | $0.10 | 10 kg | 99.8% |
| AstaTech, Inc | United States | $0.20 | 500 g | 95% |
| Angene International Limited | United States | $0.21 | 500 g | 99% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 95% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 90% |
Chemical Identity
CAS112945-52-5
PubChem CID24261
DTXSIDDTXSID4029852
FormulaO2Si
Mol. Weight60.084 g/mol
SMILESO=[Si]=O
Data Sources
DTXSID40298522026-04-06
https://doi.org/10.23645/epacomptox.5588566
Archive: data/sources/comptox/dsstox_identifiers.csv
242612026-04-06
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/24261/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON
Archive: data/sources/pubchem_properties/24261.json
112945-52-52026-04-24
https://www.epa.gov/chemical-data-reporting
Archive: data/sources/epa_cdr/2020_cdr.csv
CAS 112945-52-52026-04-25
https://www.epa.gov/chemical-data-reporting
Archive: data/sources/epa_cdr/2020_cdr_industrial.csv