Benzenemethanesulfonic acid, α-hydroxy-4-methoxy-, sodium salt (1:1)

CAS 33402-67-4

Molecular structure of 33402-67-4
1 Na⁺
US productionNot reported
Import value, 2024$132M
Top sourceIndia 18%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 290949 · basket

These shares come from HS customs code 290949, which covers 104 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IN 18%IndiaJP 14%JapanDE 13%GermanyKR 11%South KoreaTW 11%Taiwan

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS33402-67-4
PubChem CIDNot recorded
DTXSIDDTXSID80885554
FormulaC8H9NaO5S
Mol. Weight240.2 g/mol
SMILES[Na+].COC1=CC=C(C=C1)C(O)S([O-])(=O)=O

Data Sources

Brief citations

Benzenemethanesulfonic acid, α-hydroxy-4-methoxy-, sodium salt (1:1) (CAS 33402-67-4) https://chemicalindependence.com/chemical/33402-67-4/ EPA TSCA Inventory: CAS 33402-67-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 290949 for CAS 33402-67-4. Reporting year: 2024. https://usatrade.census.gov/