Tetrapropylammonium hydroxide
CAS 4499-86-9
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 292390 · basket
- 2023
- US production Confidential · Imports Confidential
- 2019
- US production Confidential · Imports Zero
These shares come from HS customs code 292390, which covers 130 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Israel
- Indonesia
- Sweden
- Turkey
- United Arab Emirates
- Malaysia
- Singapore
- Lithuania
- Brazil
- Hong Kong
- Australia
- Belgium
- Ukraine
Why It Matters
Industrial Uses
Used in 4 sectors as 3 functional roles.
- •Intermediate in Photographic Film, Paper, Plate, and Chemical ManufacturingProcessing—repackaging
- •Intermediate in All Other Basic Organic Chemical ManufacturingProcessing as a reactant
- •Laboratory chemicals in All Other Chemical Product and Preparation ManufacturingProcessing—repackaging
- •Ion exchange agent in All Other Basic Inorganic Chemical ManufacturingProcessing as a reactant
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
13 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 | 1 kg | 40% |
| A2B Chem LLC | United States | $0.07 | 500 g | — |
| AA BLOCKS | United States | $0.08 | 500 g | — |
| Ambeed, Inc. | United States | $0.21 | 500 g | 40% |
| Fluorochem EU | Germany | $0.34 | 25 g | 25% |
| AK Scientific, Inc. | United States | $0.39 | 500 g | 10% |
| Combi-Blocks, Inc. | United States | $0.48 | 500 g | 95% |
| ALFA AESAR | Germany | $0.65 | 500 g | — |
| Sigma-Aldrich (Rush Stock) | Germany | $1.17 | 100 g | — |
| Sigma-Aldrich | Germany | $1.17 | 100 g | — |
| Angene International Limited | United States | $2.84 | 25 g | 10% |
| MedChemExpress MCE | Sweden | $3.39 | 25 g | — |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 40% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID7052107Retrieved 2026-04-06
- PubChem · compound 20586Retrieved 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
Tetrapropylammonium hydroxide (CAS 4499-86-9) https://chemicalindependence.com/chemical/4499-86-9/ EPA CompTox (DSSTox): DTXSID7052107. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7052107 PubChem: 20586. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/20586 EPA Chemical Data Reporting: 4499-86-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 4499-86-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292390 for CAS 4499-86-9. Reporting year: 2024. https://usatrade.census.gov/