o-Toluenesulfonamide
CAS 88-19-7
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 293590 · basket
- 2023
- US production Confidential · Imports 61.7K lb
- 2019
- US production Zero · Imports 151.2K lb
These shares come from HS customs code 293590, which covers 182 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Portugal
- Spain
- Italy
- Austria
- Israel
- Hungary
- Canada
- South Korea
- Netherlands
- Finland
- Poland
- Indonesia
- Ukraine
- Mexico
- South Africa
- Croatia
- Greece
- Taiwan
- Hong Kong
Why It Matters
Industrial Uses
- •Plasticizer in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
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 | $0.03 | 500 g | 99% |
| BLD Pharmatech Ltd. | China | $0.04 | 1 kg | 95% |
| Ambeed, Inc. | United States | $0.04 | 1 kg | 95% |
| A2B Chem LLC | United States | $0.04 | 500 g | 98% |
| AA BLOCKS | United States | $0.05 | 500 g | 98% |
| Chemscene | United States | $0.05 | 1 kg | — |
| BLD Pharmatech GmbH | Germany | $0.06 | 500 g | 95% |
| MedChemExpress MCE | Sweden | $0.07 | 1 kg | — |
| Apollo Scientific UK | United Kingdom | $0.10 | 25 kg | 99% |
| Fluorochem EU | Germany | $0.10 | 100 g | 98% |
| BLD Pharmatech Co., Limited | United States | $0.24 | 100 g | 95% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 98% |
| AK Scientific Specialized | United States | $0.30 | 500 g | 98% |
| AK Scientific, Inc. | United States | $0.40 | 500 g | 99% |
| Angene International Limited | United States | $0.68 | 500 g | 99% |
| Sigma-Aldrich (Rush Stock) | Germany | $2.04 | 100 g | 99% |
| Sigma-Aldrich | Germany | $2.04 | 100 g | 99% |
| AstaTech (2 weeks) | United States | $3.08 | 25 g | 95% |
| ALFA AESAR | Germany | $4.54 | 50 g | 99% |
| TargetMol Chemicals | China → United States | $44.50 | 2 g | 99.43% |
| TargetMol Chemicals EU | Austria | $62.00 | 1 g | 99.43% |
| Specs | Netherlands | $132.13 | 10 g | 90% |
| Molnova | China | $285.00 | 200 mg | 99% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| Key Organics Ltd. | United Kingdom | $2740.00 | 50 mg | 95% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 99% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID7021362Retrieved 2026-04-06
- PubChem · compound 6924Retrieved 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
o-Toluenesulfonamide (CAS 88-19-7) https://chemicalindependence.com/chemical/88-19-7/ EPA CompTox (DSSTox): DTXSID7021362. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7021362 PubChem: 6924. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/6924 EPA Chemical Data Reporting: 88-19-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 88-19-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293590 for CAS 88-19-7. Reporting year: 2024. https://usatrade.census.gov/