5-Methyl-1H-benzotriazole
CAS 136-85-6
1H-Benzotriazole, 6-methyl-
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 293399 · basket
- 2023
- US production Confidential · Imports Confidential
These shares come from HS customs code 293399, which covers 518 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Taiwan
- Poland
- Canada
- Ivory Coast
- Greece
- Hungary
- Indonesia
- Latvia
- Belgium
- Slovakia
- Czech Republic
- Austria
- Netherlands
- Finland
- Denmark
- Croatia
- Australia
- South Africa
- Sweden
- Hong Kong
- Malta
- Singapore
- Lithuania
- Malaysia
- Oman
- Serbia
Why It Matters
Industrial Uses
Used in 2 sectors as 2 functional roles.
- •Corrosion inhibitor in All Other Chemical Product and Preparation Manufacturing (88%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in All Other Basic Organic Chemical Manufacturing (12%)Processing as a reactant
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
20 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 |
|---|---|---|---|---|
| BLD Pharmatech Ltd. | China | $0.20 | 1 kg | 98% |
| Angene Chemical | China → Hong Kong | $0.21 | 500 g | 99% |
| A2B Chem LLC | United States | $0.21 | 500 g | 99% |
| Chemscene | United States | $0.22 | 1 kg | — |
| Fluorochem UK | United Kingdom | $0.23 | 500 g | 98% |
| AA BLOCKS | United States | $0.27 | 500 g | 99% |
| Combi-Blocks, Inc. | United States | $0.30 | 500 g | 98% |
| BLD Pharmatech GmbH | Germany | $0.33 | 100 g | 98% |
| Biopharma PEG Scientific Inc. | United States | $0.44 | 500 g | 98% |
| AstaTech, Inc | United States | $0.56 | 25 g | 98% |
| AK Scientific Specialized | United States | $0.71 | 100 g | 95% |
| AK Scientific, Inc. | United States | $0.98 | 100 g | 98% |
| ALFA AESAR | Germany | $1.30 | 500 g | 98% |
| Angene International Limited | United States | $1.86 | 100 g | 98% |
| Sigma-Aldrich (Rush Stock) | Germany | $2.60 | 50 g | 98% |
| Sigma-Aldrich | Germany | $2.60 | 50 g | 98% |
| MedChemExpress MCE | Sweden | $3.00 | 25 g | 99.99% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 99% |
| TimTec, LLC (back-ordered) | United States | $32000.00 | 15 mg | 94% |
Chemical Identity
Data Sources
- EPA TSCA InventoryRetrieved 2026-04-29
- 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
5-Methyl-1H-benzotriazole (CAS 136-85-6) https://chemicalindependence.com/chemical/136-85-6/ EPA TSCA Inventory: CAS 136-85-6. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 136-85-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 136-85-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293399 for CAS 136-85-6. Reporting year: 2024. https://usatrade.census.gov/