Benzenesulfonic acid, 5-amino-2-(phenylamino)-

CAS 91-30-5

Molecular structure of 91-30-5
US productionNot reported
Import value, 2024$132M
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 292151 · basket

These shares come from HS customs code 292151, which covers 51 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 27%ChinaBE 26%BelgiumKR 17%South KoreaDE 16%GermanyIN 13%India

Why It Matters

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

Vendor Pricing

$34.60/gAaron Chemicals LLC
CountryHong Kong
Pack$173.00 / 5 g
Purity99%
Vendors9 available

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

Chemical Identity

CAS91-30-5
PubChem CIDNot recorded
DTXSIDDTXSID6059021
FormulaC12H12N2O3S
Mol. Weight264.3 g/mol
SMILESNC1=CC(=C(NC2=CC=CC=C2)C=C1)S(O)(=O)=O

Data Sources

Brief citations

Benzenesulfonic acid, 5-amino-2-(phenylamino)- (CAS 91-30-5) https://chemicalindependence.com/chemical/91-30-5/ EPA TSCA Inventory: CAS 91-30-5. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 292151 for CAS 91-30-5. Reporting year: 2024. https://usatrade.census.gov/