Disodium benzene-1,3-disulfonate

CAS 831-59-4

US productionNot reported

Import value, 2024$40M

Top sourceGermany 22%

EPA lists this chemical for 2019 but publishes zero or no volume for both production and imports.

Production is reported production, not a complete census of factories. Production reporting year: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 290410 · basket

EPA reports by year

2019: US production Not published · Imports Not published

These shares come from HS customs code 290410, which covers 115 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).

DE 22%GermanyIT 20%ItalyCN 14%ChinaBE 11%BelgiumIN 11%India

Spain
Netherlands
Czech Republic
Brazil
Taiwan
Hong Kong

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Occidental Petroleum

Why It Matters

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

Vendor Pricing

$0.11/gA2B Chem LLC

CountryUnited States

Pack$57.00 / 500 g

Purity95%

Vendors17 available

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

16 more vendors

Vendor	Country	$/g	Pack	Purity
Apollo Scientific US	United Kingdom	$0.27	500 g	94%
ALFA AESAR	Germany	$0.33	500 g	94%
Aaron Chemicals LLC	Hong Kong	$0.37	500 g	55%
Angene Chemical	China → Hong Kong	$0.43	500 g	55%
AA BLOCKS	United States	$0.56	500 g	95%
Sigma-Aldrich (Rush Stock)	Germany	$0.60	100 g	80%
Sigma-Aldrich	Germany	$0.60	100 g	80%
BLD Pharmatech GmbH	Germany	$0.81	500 g	55%
BLD Pharmatech Ltd.	China	$0.81	500 g	55%
Ambeed, Inc.	United States	$1.16	100 g	55%
BLD Pharmatech Co., Limited	United States	$1.68	25 g	55%
AK Scientific, Inc.	United States	$3.36	25 g	95%
Angene International Limited	United States	$6.60	25 g	95%
Key Organics Ltd.	United Kingdom	$1960.00	100 mg	90%
Specs	Netherlands	$2129.60	100 mg	90%
Angene	China → Hong Kong	$4266.67	30 mg	55%

Chemical Identity

CAS831-59-4

PubChem CID71577

DTXSIDDTXSID0044735

FormulaC6H4Na2O6S2

Mol. Weight282.2 g/mol

SMILESC1=CC(=CC(=C1)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]

Data Sources

EPA CompTox (DSSTox) · DTXSID0044735Retrieved 2026-04-06
PubChem · compound 71577Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Disodium benzene-1,3-disulfonate (CAS 831-59-4) https://chemicalindependence.com/chemical/831-59-4/ EPA CompTox (DSSTox): DTXSID0044735. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0044735 PubChem: 71577. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/71577 EPA Chemical Data Reporting: 831-59-4. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290410 for CAS 831-59-4. Reporting year: 2024. https://usatrade.census.gov/