Decamethylcyclopentasiloxane
Drug ingredientThis 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$537M
Top SourceChina 39%
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 293190 · basket
These shares come from HS customs code 293190, which covers 164 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 39%ChinaDE 17%GermanyIT 9%ItalyIN 7%IndiaJP 7%Japan
- Ireland
- Netherlands
- Switzerland
- Monaco
- Ukraine
- Spain
- Mexico
- Poland
- Indonesia
- Armenia
- Israel
- Sweden
- Australia
- Czech Republic
- Hungary
- Brunei
- Hong Kong
- Brazil
- Thailand
- Argentina
- Finland
- Austria
- Latvia
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.
K&M Holdings Group
Momentive Performance Materials
The Dow Chemical
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.
Brb North America
Elementis
Shin Etsu Silicones Of America
The Dow Chemical
Why It Matters
Sectors
Plastics & RubberElectronicsCore ChemicalsHealthEnergyConsumer ProductsMetals & MiningPaints & CoatingsConstruction
Downstream Uses
Appears in 1 drug and cosmetic product listings (FDA).
- •Sensitive Pocket SUN
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 12 sectors as 11 functional roles.
- •Diluent in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Anti-adhesive agents in Wood Product ManufacturingProcessing—incorporation into article
- •Viscosity adjustors in Paint and Coating Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product
- •Viscosity adjustors in Adhesive Manufacturing (70%)Processing—incorporation into formulation, mixture, or reaction product
- •Solvent in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Solvent in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Viscosity modifiers in All Other Chemical Product and Preparation Manufacturing (50%)Processing—incorporation into formulation, mixture, or reaction product
- •Lubricants and lubricant additives in Asphalt Paving, Roofing, and Coating Materials Manufacturing (20%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Cyclic Crude and Intermediate Manufacturing (20%)Processing—incorporation into formulation, mixture, or reaction product
- •Solvents (which become part of product formulation or mixture) in All Other Basic Organic Chemical Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Synthetic Rubber Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product
- •Adhesives and sealant chemicals in Adhesive Manufacturing (20%)Processing—incorporation into formulation, mixture, or reaction product
- •Adhesives and sealant chemicals in Computer and Electronic Product Manufacturing (20%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in All Other Basic Inorganic Chemical Manufacturing (1%)Processing as a reactant
- •Solvent in All Other Basic Inorganic Chemical Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product
- •Solvent in Other (40%)Processing—incorporation into formulation, mixture, or reaction product
- •Terminator/Blocker in Synthetic Rubber ManufacturingProcessing as a reactant
- •Intermediate in All Other Chemical Product and Preparation ManufacturingProcessing as a reactant
- •Softener and conditioner in OtherProcessing—incorporation into formulation, mixture, or reaction product
Vendor Pricing
$0.02/gAaron Chemicals LLC
CountryHong Kong
Pack$11.00 / 500 g
Purity99%
Vendors19 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
18 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 | $0.03 | 500 g | 99% |
| BLD Pharmatech GmbH | Germany | $0.04 | 1 kg | 99% |
| BLD Pharmatech Ltd. | China | $0.04 | 1 kg | 99% |
| Fluorochem EU | Germany | $0.07 | 500 g | 98% |
| A2B Chem LLC | United States | $0.09 | 500 g | 98% |
| AA BLOCKS | United States | $0.11 | 500 g | 99% |
| Ambeed, Inc. | United States | $0.11 | 1 kg | 99% |
| MedChemExpress MCE | Sweden | $0.13 | 500 g | 99.98% |
| BLD Pharmatech Co., Limited | United States | $0.13 | 500 g | 99% |
| Angene International Limited | United States | $0.14 | 500 g | 98% |
| Fluorochem UK | United Kingdom | $0.22 | 250 g | 99% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 98% |
| AK Scientific, Inc. | United States | $0.55 | 100 g | 99% |
| AstaTech (2 weeks) | United States | $1.48 | 25 g | 95% |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
| Sigma-Aldrich (Rush Stock) | Germany | $316.66 | 500 mg | — |
| Sigma-Aldrich | Germany | $316.66 | 500 mg | — |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 99% |
Chemical Identity
CAS541-02-6
PubChem CID10913
DTXSIDDTXSID1027184
FormulaC10H30O5Si5
Mol. Weight370.77 g/mol
SMILESC[Si]1(O[Si](O[Si](O[Si](O[Si](O1)(C)C)(C)C)(C)C)(C)C)C
Data Sources
DTXSID10271842026-04-06
https://doi.org/10.23645/epacomptox.5588566
Archive: data/sources/comptox/dsstox_identifiers.csv
109132026-04-06
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/10913/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON
Archive: data/sources/pubchem_properties/10913.json
541-02-62026-04-24
https://www.epa.gov/chemical-data-reporting
Archive: data/sources/epa_cdr/2020_cdr.csv
CAS 541-02-62026-04-25
https://www.epa.gov/chemical-data-reporting
Archive: data/sources/epa_cdr/2020_cdr_industrial.csv