3,6-Dimethyl-4-octyne-3,6-diol
CAS 78-66-0
U.S. production volumes are classified as confidential business information.
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 · basket
- 2023
- US production Confidential · Imports Zero
- 2019
- US production Confidential · Imports Zero
These shares come from HS customs code 290539, which covers 48 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Canada
- Liechtenstein
- Israel
- Ireland
- Portugal
- Ukraine
- Singapore
Why It Matters
Industrial Uses
Used in 1 sector as 4 functional roles.
- •Adhesives and sealant chemicals in All Other Basic Organic Chemical Manufacturing (20%)Processing—incorporation into formulation, mixture, or reaction product
- •Surface active agents in All Other Basic Organic Chemical Manufacturing (20%)Processing—incorporation into formulation, mixture, or reaction product
- •Viscosity adjustors in All Other Basic Organic Chemical Manufacturing (20%)Processing—incorporation into formulation, mixture, or reaction product
- •Paint additives and coating additives not described by other categories in All Other Basic Organic Chemical Manufacturing (20%)Processing—incorporation into formulation, mixture, or reaction product
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
10 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 |
|---|---|---|---|---|
| AA BLOCKS | United States | $0.96 | 25 g | 95% |
| Aaron Chemicals LLC | Hong Kong | $1.00 | 25 g | 98% |
| Apollo Scientific UK | United Kingdom | $1.01 | 500 g | 95% |
| Angene Chemical | China → Hong Kong | $1.12 | 25 g | 98% |
| AK Scientific Specialized | United States | $1.16 | 100 g | 95% |
| Combi-Blocks, Inc. | United States | $1.20 | 100 g | 98% |
| AstaTech (2 weeks) | United States | $1.44 | 100 g | 95% |
| AK Scientific, Inc. | United States | $1.63 | 100 g | 98% |
| Angene International Limited | United States | $2.14 | 100 g | 95% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID1041475Retrieved 2026-04-06
- PubChem · compound 6546Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
3,6-Dimethyl-4-octyne-3,6-diol (CAS 78-66-0) https://chemicalindependence.com/chemical/78-66-0/ EPA CompTox (DSSTox): DTXSID1041475. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID1041475 PubChem: 6546. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/6546 EPA Chemical Data Reporting: 78-66-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 78-66-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290539 for CAS 78-66-0. Reporting year: 2024. https://usatrade.census.gov/