Flag of the United StatesAmerican Chemical Independence

4,4-Dimethyloxazolidinium toluenesulfonate

CAS 66375-36-8

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

Molecular structure of 66375-36-8
US productionCBI
Import value, 2024$6.4B
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 Confidential
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
SG 36%SingaporeIE 23%IrelandCN 11%ChinaCH 6%SwitzerlandIN 5%India

Why It Matters

Sectors
Paints & CoatingsCore Chemicals
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 2 sectors as 1 functional role.

  • •Catalyst in Paint and Coating ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Catalyst in All Other Basic Organic Chemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS66375-36-8
PubChem CID105361
DTXSIDDTXSID301015621
FormulaC12H19NO4S
Mol. Weight273.35 g/mol
SMILESCC1=CC(=CC=C1)S(=O)(=O)O.CC1(COCN1)C

Data Sources

← Back to Dashboard← Back to Paints & Coatings

Brief citations

4,4-Dimethyloxazolidinium toluenesulfonate (CAS 66375-36-8) https://chemicalindependence.com/chemical/66375-36-8/ EPA CompTox (DSSTox): DTXSID301015621. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID301015621 PubChem: 105361. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/105361 EPA Chemical Data Reporting: 66375-36-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 66375-36-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293499 for CAS 66375-36-8. Reporting year: 2024. https://usatrade.census.gov/