Sodium 4-hydroxybenzenesulfonate

CAS 825-90-1

EPA’s 2019 records show zero U.S. production of this chemical.

US productionZero

Import value, 2024$11M

Top sourceIndia 78%

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 290899 · basket

EPA reports by year

2019: US production Zero · Imports Zero

These shares come from HS customs code 290899, which covers 60 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).

IN 78%IndiaCN 19%ChinaJP 1%JapanAE 1%United Arab Emirates

Italy
Hungary
Germany
Netherlands
Canada
Mexico

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.

Cambrex

Why It Matters

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

Vendor Pricing

$0.03/gAaron Chemicals LLC

CountryHong Kong

Pack$132.00 / 5 kg

Purity98%

Vendors13 available

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

12 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.03	5 kg	98%
BLD Pharmatech GmbH	Germany	$0.04	1 kg	97%
BLD Pharmatech Ltd.	China	$0.04	1 kg	97%
A2B Chem LLC	United States	$0.09	500 g	98%
AA BLOCKS	United States	$0.11	500 g	97%
Ambeed, Inc.	United States	$0.11	1 kg	97%
BLD Pharmatech Co., Limited	United States	$0.13	500 g	97%
Combi-Blocks, Inc.	United States	$0.25	1 kg	98%
AK Scientific, Inc.	United States	$0.29	100 g	98%
Angene International Limited	United States	$0.80	100 g	98%
Otava, Ltd.	Ukraine	$2724.00	50 mg	95%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS825-90-1

PubChem CID4379756

DTXSIDDTXSID8027321

FormulaC6H5NaO4S

Mol. Weight196.16 g/mol

SMILESC1=CC(=CC=C1O)S(=O)(=O)[O-].[Na+]

Data Sources

EPA CompTox (DSSTox) · DTXSID8027321Retrieved 2026-04-06
PubChem · compound 4379756Retrieved 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

Sodium 4-hydroxybenzenesulfonate (CAS 825-90-1) https://chemicalindependence.com/chemical/825-90-1/ EPA CompTox (DSSTox): DTXSID8027321. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID8027321 PubChem: 4379756. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/4379756 EPA Chemical Data Reporting: 825-90-1. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290899 for CAS 825-90-1. Reporting year: 2024. https://usatrade.census.gov/