Tetrabutylammonium bromide
CAS 1643-19-2
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 504.5K lb · Imports 225.9K lb
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 7 sectors as 6 functional roles.
- •Surface modifier in All Other Chemical Product and Preparation Manufacturing (100%)Processing as a reactant
- •Catalyst in Pesticide, Fertilizer, and Other Agricultural Chemical ManufacturingProcessing as a reactant
- •Intermediate in All Other Basic Organic Chemical ManufacturingProcessing as a reactant
- •Catalyst in Pharmaceutical and Medicine ManufacturingProcessing as a reactant
- •Catalyst in Plastics Material and Resin ManufacturingProcessing as a reactant
- •Laboratory chemicals in All Other Chemical Product and Preparation Manufacturing (1%)Processing—repackaging
- •Chemical reaction regulator in Pharmaceutical and Medicine Manufacturing (1%)Processing as a reactant
- •Catalyst in Organic Fiber Manufacturing (3%)Processing as a reactant
- •Chain transfer agent in Synthetic Rubber Manufacturing (7%)Processing as a reactant
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
26 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 | $0.02 | 1 kg | 99% |
| A2B Chem LLC | United States | $0.03 | 1 kg | 98% |
| AA BLOCKS | United States | $0.03 | 500 g | 98% |
| BLD Pharmatech GmbH | Germany | $0.04 | 1 kg | 98% |
| BLD Pharmatech Ltd. | China | $0.04 | 1 kg | 98% |
| Fluorochem UK | United Kingdom | $0.04 | 5 kg | 99% |
| BLD Pharmatech Co., Limited | United States | $0.04 | 1 kg | 98% |
| Ambeed, Inc. | United States | $0.04 | 1 kg | 98% |
| Fluorochem EU | Germany | $0.04 | 1 kg | 99% |
| Fulfilled by Molport | Latvia | $0.05 | 100 g | — |
| Chemscene | United States | $0.05 | 1 kg | — |
| Synthonix | United States | $0.06 | 500 g | 95% |
| Angene International Limited | United States | $0.07 | 500 g | 98% |
| AK Scientific Specialized | United States | $0.09 | 1 kg | 98% |
| MedChemExpress MCE | Sweden | $0.09 | 5 kg | 99% |
| Apollo Scientific UK | United Kingdom | $0.10 | 1 kg | 98% |
| AK Scientific, Inc. | United States | $0.13 | 1 kg | 99% |
| Manchester Organics | United Kingdom | $0.14 | 500 g | 98% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 98% |
| AstaTech, Inc | United States | $0.28 | 250 g | 98% |
| Sigma-Aldrich (Rush Stock) | Germany | $0.30 | 5 kg | — |
| Sigma-Aldrich | Germany | $0.30 | 5 kg | — |
| ALFA AESAR | Germany | $0.32 | 2.5 kg | 98% |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 99% |
| Interbioscreen | Hong Kong | $23000.00 | 5 mg | 95% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID4044400Retrieved 2026-04-06
- PubChem · compound 74236Retrieved 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
Tetrabutylammonium bromide (CAS 1643-19-2) https://chemicalindependence.com/chemical/1643-19-2/ EPA CompTox (DSSTox): DTXSID4044400. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4044400 PubChem: 74236. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/74236 EPA Chemical Data Reporting: 1643-19-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1643-19-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292390 for CAS 1643-19-2. Reporting year: 2024. https://usatrade.census.gov/