N,N-Dimethyldodecylamine-N-oxide
CAS 1643-20-5
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, 2024$133M
Top sourceChina 47%
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. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.
Where It Comes From
Customs basis: HS 292990 · basket
EPA reports by year
- 2023
- US production Confidential · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
These shares come from HS customs code 292990, which covers 38 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
Source Countries
Country of origin for US imports, from Census customs data (2024).
CN 47%ChinaDE 20%GermanyIN 14%IndiaGB 4%United KingdomKR 4%South Korea
- Canada
- Spain
- Taiwan
- Malaysia
- Mexico
- Ukraine
- Netherlands
- Russia
- Latvia
- Ireland
- Australia
- Sweden
- Austria
- Lithuania
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.
Indorama Netherlands Bv · NL Netherlands
Arxada
Colonial Chemical
Indorama Ventures Usa Holdings
Innovative Chemical Technologies
Show all 8
Southern Chemical & Textiles
The Lewis Chemical
Verdant Specialty Solutions
Domestic parents -- activity not disclosed (4)
EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.
Archroma U.S
Polyventive
Stepan
Textile Rubber And Chemical Company (Trcc)
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.
Solenis
Univar Solutions Usa
Vitech International
Walsh & Associates
Why It Matters
Sectors
AgricultureEnergyConstructionMetals & MiningPlastics & RubberTextilesConsumer ProductsPaints & CoatingsCore 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 12 sectors as 6 functional roles.
- •Surfactant (surface active agent) in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Surfactant (surface active agent) in Not Known or Reasonably Ascertainable (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant
- •Surfactant (surface active agent) in Pesticide, Fertilizer, and Other Agricultural Chemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Emulsifier in Oil and Gas Drilling, Extraction, and Support activitiesProcessing—incorporation into formulation, mixture, or reaction product
- •Surfactant (surface active agent) in All Other Chemical Product and Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Surfactant (surface active agent) in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing)Processing—incorporation into formulation, mixture, or reaction product
- •Surfactant (surface active agent) in Wholesale and Retail TradeProcessing—incorporation into formulation, mixture, or reaction product
- •Emulsifier in Pesticide, Fertilizer, and Other Agricultural Chemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Surface modifier in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing)Processing—incorporation into formulation, mixture, or reaction product
- •Foamant in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Foamant in Organic Fiber Manufacturing (100%)Use—non-incorporative activities
- •Anti-static agent in OtherProcessing—incorporation into formulation, mixture, or reaction product
- •Surfactant (surface active agent) in OtherProcessing—incorporation into formulation, mixture, or reaction product
- •Surfactant (surface active agent) in All Other Basic Organic Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Surfactant (surface active agent) in Paint and Coating ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Surfactant (surface active agent) in Textiles, apparel, and leather manufacturingProcessing—incorporation into formulation, mixture, or reaction product
Vendor Pricing
$0.26/gAaron Chemicals LLC
CountryHong Kong
Pack$131.00 / 500 g
Purity28%
Vendors18 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
17 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 | $0.28 | 500 g | 28% |
| AK Scientific, Inc. | United States | $0.67 | 100 g | 30% |
| A2B Chem LLC | United States | $5.22 | 100 g | 97% |
| AA BLOCKS | United States | $5.88 | 25 g | 97% |
| Fluorochem EU | Germany | $6.78 | 25 g | 97% |
| Combi-Blocks, Inc. | United States | $7.20 | 100 g | 97% |
| Chemscene | United States | $7.67 | 100 g | — |
| Ambeed, Inc. | United States | $8.02 | 100 g | 98% |
| Apollo Scientific UK | United Kingdom | $17.44 | 25 g | — |
| AstaTech, Inc | United States | $19.96 | 25 g | 95% |
| MedChemExpress MCE | Sweden | $30.01 | 5 g | 98% |
| Angene International Limited | United States | $33.44 | 25 g | 98% |
| Cayman Europe | Estonia | $34.89 | 25 g | 95% |
| Sigma-Aldrich (Rush Stock) | Germany | $46.06 | 25 g | 99% |
| Sigma-Aldrich | Germany | $46.06 | 25 g | 99% |
| Molnova | China | $52.00 | 500 mg | 99% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 28% |
Chemical Identity
CAS1643-20-5
PubChem CID15433
DTXSIDDTXSID1020514
FormulaC14H31NO
Mol. Weight229.4 g/mol
SMILESCCCCCCCCCCCC[N+](C)(C)[O-]
Data Sources
- EPA CompTox (DSSTox) · DTXSID1020514Retrieved 2026-04-06
- PubChem · compound 15433Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
N,N-Dimethyldodecylamine-N-oxide (CAS 1643-20-5) https://chemicalindependence.com/chemical/1643-20-5/ EPA CompTox (DSSTox): DTXSID1020514. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID1020514 PubChem: 15433. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/15433 EPA Chemical Data Reporting: 1643-20-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1643-20-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292990 for CAS 1643-20-5. Reporting year: 2024. https://usatrade.census.gov/