Ethanesulfonic acid, 2,2'-(hydroxyimino)bis-, sodium salt (1:2)

CAS 133986-51-3

Used in 1 industrial sector tracked by the EPA.

Molecular structure of 133986-51-3 — 2 Na⁺

US production285.9K lb

Import volumeZero

Import dependency0%

Top sourceNo public record

Production is reported production, not a complete census of factories. 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 292800 · basket

EPA reports by year

2023: US production 285.9K lb · Imports Zero
2019: US production 280.7K lb · Imports Zero

HS customs code 292800 covers 112 tracked chemicals in total. US Census does not break out this chemical's share, so the country-of-origin mix is not available. EPA CDR reports import dependency at the chemical level separately, shown above.

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.

Cymer

Why It Matters

Sectors

Consumer Products

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

•Photosensitive agent in Photographic Film, Paper, Plate, and Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.29/gAK Scientific, Inc.

CountryUnited States

Pack$29.00 / 100 g

Purity33%

Vendors5 available

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

4 more vendors

Vendor	Country	$/g	Pack	Purity
A2B Chem LLC	United States	$0.32	100 g	33%
AA BLOCKS	United States	$0.33	100 g	33%
Angene International Limited	United States	$0.80	100 g	33%
Combi-Blocks, Inc.	United States	$36.00	5 g	95%

Chemical Identity

CAS133986-51-3

PubChem CID21916040

DTXSIDDTXSID30890456

FormulaC4H9NNa2O7S2

Mol. Weight293.2 g/mol

SMILESC(CS(=O)(=O)[O-])N(CCS(=O)(=O)[O-])O.[Na+].[Na+]

Data Sources

EPA CompTox (DSSTox) · DTXSID30890456Retrieved 2026-04-06
PubChem · compound 21916040Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

Ethanesulfonic acid, 2,2'-(hydroxyimino)bis-, sodium salt (1:2) (CAS 133986-51-3) https://chemicalindependence.com/chemical/133986-51-3/ EPA CompTox (DSSTox): DTXSID30890456. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID30890456 PubChem: 21916040. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/21916040 EPA Chemical Data Reporting: 133986-51-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 133986-51-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting