1-Propanesulfonic acid, 3-hydroxy-, sodium salt (1:1)

CAS 3542-44-7

Molecular structure of 3542-44-7
1 Na⁺
US productionNot reported
Import value, 2024$26M
Top sourceChina 27%

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 290559 · basket

These shares come from HS customs code 290559, which covers 71 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 27%ChinaJP 25%JapanIL 20%IsraelKR 15%South KoreaIN 4%India

Why It Matters

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

Vendor Pricing

$3.28/gA2B Chem LLC
CountryUnited States
Pack$82.00 / 25 g
Purity80%
Vendors16 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

Chemical Identity

CAS3542-44-7
PubChem CIDNot recorded
DTXSIDDTXSID1063067
FormulaC3H7NaO4S
Mol. Weight162.13 g/mol
SMILES[Na+].OCCCS([O-])(=O)=O

Data Sources

Brief citations

1-Propanesulfonic acid, 3-hydroxy-, sodium salt (1:1) (CAS 3542-44-7) https://chemicalindependence.com/chemical/3542-44-7/ EPA TSCA Inventory: CAS 3542-44-7. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 290559 for CAS 3542-44-7. Reporting year: 2024. https://usatrade.census.gov/