Tetraethylammonium bromide
CAS 71-91-0
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 292390 · basket
- 2023
- US production Confidential · Imports Zero
- 2019
- US production 2.2M lb · Imports 27.3K 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
- •Intermediate in All Other Basic Organic Chemical ManufacturingProcessing as a reactant
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
23 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 | 5 kg | 99% |
| A2B Chem LLC | United States | $0.05 | 500 g | 98% |
| BLD Pharmatech GmbH | Germany | $0.05 | 1 kg | 99% |
| BLD Pharmatech Ltd. | China | $0.05 | 1 kg | 99% |
| AA BLOCKS | United States | $0.06 | 500 g | 98% |
| Fluorochem EU | Germany | $0.06 | 1 kg | 95% |
| Fluorochem UK | United Kingdom | $0.07 | 500 g | 95% |
| AK Scientific Specialized | United States | $0.10 | 1 kg | 95% |
| ALFA AESAR | Germany | $0.11 | 5 kg | 98% |
| BLD Pharmatech Co., Limited | United States | $0.11 | 1 kg | 99% |
| Ambeed, Inc. | United States | $0.11 | 1 kg | 99% |
| AK Scientific, Inc. | United States | $0.13 | 1 kg | 98% |
| MedChemExpress MCE | Sweden | $0.14 | 1 kg | 98% |
| Sigma-Aldrich (Rush Stock) | Germany | $0.17 | 1 kg | 98% |
| Sigma-Aldrich | Germany | $0.17 | 1 kg | 98% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 97% |
| Angene International Limited | United States | $0.30 | 500 g | 98% |
| AstaTech, Inc | United States | $0.38 | 100 g | 95% |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
| Otava, Ltd. | Ukraine | $2280.00 | 50 mg | 95% |
| Otava, Ltd. (2 weeks) | Ukraine | $2724.00 | 50 mg | 95% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 99% |
| Key Organics Ltd. | United Kingdom | $6900.00 | 10 mg | 95% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID9044457Retrieved 2026-04-06
- PubChem · compound 6285Retrieved 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
Tetraethylammonium bromide (CAS 71-91-0) https://chemicalindependence.com/chemical/71-91-0/ EPA CompTox (DSSTox): DTXSID9044457. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9044457 PubChem: 6285. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/6285 EPA Chemical Data Reporting: 71-91-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 71-91-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292390 for CAS 71-91-0. Reporting year: 2024. https://usatrade.census.gov/