Morpholinium toluene-4-sulphonate

CAS 13732-62-2

U.S. production volumes are classified as confidential business information.

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import value, 2024$6.4B

Import volumeZero

Top sourceSingapore 36%

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production 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 293499 · basket

EPA reports by year

2023: US production Confidential · Imports Zero
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 293499, which covers 575 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

SG 36%SingaporeIE 23%IrelandCN 11%ChinaCH 6%SwitzerlandIN 5%India

Finland
Netherlands
Canada
Indonesia
Mexico
Taiwan
South Korea
Austria
Croatia
Sweden
Ukraine
Denmark
Israel
Czech Republic
New Zealand
Hong Kong
Kyrgyzstan
Australia
Portugal
South Africa
Poland
Slovenia
Brazil
Slovakia
Vietnam
Latvia
Malta
Hungary
Romania
Kenya
Belarus
Russia
Turkey
Norway

EPA-registered manufacturers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Munzing

Why It Matters

Sectors

Construction

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

•Intermediate in Wood Product Manufacturing (0%)Processing as a reactant

Chemical Identity

CAS13732-62-2

PubChem CID83691

DTXSIDDTXSID9065601

FormulaC11H17NO4S

Mol. Weight259.32 g/mol

SMILESCC1=CC=C(C=C1)S(=O)(=O)O.C1COCCN1

Data Sources

EPA CompTox (DSSTox) · DTXSID9065601Retrieved 2026-04-06
PubChem · compound 83691Retrieved 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

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Brief citations

Morpholinium toluene-4-sulphonate (CAS 13732-62-2) https://chemicalindependence.com/chemical/13732-62-2/ EPA CompTox (DSSTox): DTXSID9065601. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9065601 PubChem: 83691. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/83691 EPA Chemical Data Reporting: 13732-62-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 13732-62-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293499 for CAS 13732-62-2. Reporting year: 2024. https://usatrade.census.gov/