2,4,7,9-Tetramethyl-5-decyne-4,7-diol
CAS 126-86-3
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$6.2B
Top sourceJapan 32%
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 290539, 382499 · basket
EPA reports by year
- 2023
- US production Confidential · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
These shares come from HS customs code 290539, 382499, which covers 253 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).
JP 32%JapanKR 27%South KoreaDE 8%GermanyCA 6%CanadaCN 4%China
- Liechtenstein
- Indonesia
- Brazil
- Chile
- Ireland
- Vietnam
- Austria
- Colombia
- Israel
- Australia
- United Arab Emirates
- Bosnia and Herzegovina
- Turkey
- Denmark
- Saudi Arabia
- South Africa
- Philippines
- Norway
- Hungary
- Czech Republic
- El Salvador
- New Zealand
- Slovenia
- Morocco
- Monaco
- Finland
- Argentina
- Egypt
- Oman
- Portugal
- Slovakia
- Qatar
- Ukraine
- Lebanon
- Estonia
- Serbia
- Costa Rica
- Belarus
- Hong Kong
- Croatia
- Luxembourg
- Cambodia
- Bulgaria
- Greece
- Uruguay
- Romania
- Tunisia
- Peru
- Zimbabwe
- Dominican Republic
- Georgia
- Malta
- Sri Lanka
- Jamaica
- Armenia
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.
Evonik
EPA-registered importers (10)
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
Patcham Fzc · AE United Arab Emirates
Ravago S A · LU Luxembourg
Aceto Us
Allchem Industries Holding
Show all 10
Basf
Blue Tree Holdings
Hexion
Patcham Usa
Wego Chemical Group
Why It Matters
Sectors
TransportationConstructionMetals & MiningPlastics & RubberConsumer ProductsPaints & CoatingsPaper & PrintingCore 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 9 sectors as 12 functional roles.
- •Emulsifier in Wholesale and Retail Trade (8%)Processing—incorporation into formulation, mixture, or reaction product
- •Viscosity modifiers in Wholesale and Retail Trade (8%)Processing—incorporation into formulation, mixture, or reaction product
- •Surface modifier in Wholesale and Retail Trade (8%)Processing—incorporation into formulation, mixture, or reaction product
- •Adhesion/cohesion promoter in Paint and Coating Manufacturing (4%)Processing—incorporation into formulation, mixture, or reaction product
- •Viscosity modifiers in Paint and Coating Manufacturing (4%)Processing—incorporation into formulation, mixture, or reaction product
- •Surface modifier in Paint and Coating Manufacturing (4%)Processing—incorporation into formulation, mixture, or reaction product
- •Emulsifier in Paint and Coating Manufacturing (4%)Processing—incorporation into formulation, mixture, or reaction product
- •Adhesion/cohesion promoter in Wholesale and Retail Trade (8%)Processing—incorporation into formulation, mixture, or reaction product
- •Surface modifier in Asphalt Paving, Roofing, and Coating Materials Manufacturing (100%)Processing as a reactant
- •Defoamer in Printing Ink Manufacturing (60%)Processing—incorporation into formulation, mixture, or reaction product
- •Surfactant (surface active agent) in Paint and Coating Manufacturing (40%)Processing—incorporation into formulation, mixture, or reaction product
- •Surfactant (surface active agent) in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Surfactant (surface active agent) in Printing Ink ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Wetting agent (non-aqueous) in All Other Basic Organic Chemical ManufacturingProcessing as a reactant
- •Intermediate in All Other Basic Organic Chemical ManufacturingProcessing as a reactant
- •Laboratory chemicals in Fabricated Metal Product ManufacturingUse—non-incorporative activities
- •Surfactant (surface active agent) in Asphalt Paving, Roofing, and Coating Materials ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Brightener in Soap, Cleaning Compound, and Toilet Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Cleaning agent in Fabricated Metal Product ManufacturingUse—non-incorporative activities
- •Surface modifier in Fabricated Metal Product ManufacturingUse—non-incorporative activities
- •Surfactant (surface active agent) in Transportation Equipment ManufacturingProcessing—incorporation into article
- •Monomers in Paint and Coating ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
Vendor Pricing
$0.08/gAaron Chemicals LLC
CountryHong Kong
Pack$40.00 / 500 g
Purity97%
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 | $0.09 | 500 g | 97% |
| BLD Pharmatech GmbH | Germany | $0.11 | 1 kg | 97% |
| BLD Pharmatech Ltd. | China | $0.11 | 1 kg | 97% |
| A2B Chem LLC | United States | $0.12 | 500 g | 95% |
| MedChemExpress MCE | Sweden | $0.14 | 1 kg | — |
| AstaTech, Inc | United States | $0.14 | 105 g | 95% |
| BLD Pharmatech Co., Limited | United States | $0.15 | 500 g | 97% |
| Ambeed, Inc. | United States | $0.15 | 500 g | 97% |
| AA BLOCKS | United States | $0.15 | 500 g | 95% |
| AK Scientific Specialized | United States | $0.22 | 500 g | 95% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 97% |
| AK Scientific, Inc. | United States | $0.29 | 500 g | 98% |
| Angene International Limited | United States | $0.52 | 500 g | 95% |
| Sigma-Aldrich (Rush Stock) | Germany | $0.95 | 100 g | 98% |
| Sigma-Aldrich | Germany | $0.95 | 100 g | 98% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 97% |
Chemical Identity
CAS126-86-3
PubChem CID31362
DTXSIDDTXSID7027041
FormulaC14H26O2
Mol. Weight226.35 g/mol
SMILESCC(C)CC(C)(C#CC(C)(CC(C)C)O)O
Data Sources
- EPA CompTox (DSSTox) · DTXSID7027041Retrieved 2026-04-06
- PubChem · compound 31362Retrieved 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
2,4,7,9-Tetramethyl-5-decyne-4,7-diol (CAS 126-86-3) https://chemicalindependence.com/chemical/126-86-3/ EPA CompTox (DSSTox): DTXSID7027041. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7027041 PubChem: 31362. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/31362 EPA Chemical Data Reporting: 126-86-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 126-86-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290539,382499 for CAS 126-86-3. Reporting year: 2024. https://usatrade.census.gov/