4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid

Import Value$64M

Top SourceChina 52%

The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.

Where It Comes From

Customs basis: HS 292229 · basket

These shares come from HS customs code 292229, which covers 16 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries

CN 52%ChinaJP 25%JapanIN 18%IndiaIT 3%ItalyKR 1%South Korea

Why It Matters

No data available

Vendor Pricing

$0.69/gAstaTech (2 weeks)

CountryUnited States

Pack$345.00 / 500 g

Purity96%

Vendors13 available

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

12 more vendors

Vendor	Country	$/g	Pack	Purity
A2B Chem LLC	United States	$0.85	500 g	95%
Aaron Chemicals LLC	Hong Kong	$0.91	500 g	95%
Angene Chemical	China → Hong Kong	$0.92	500 g	95%
AA BLOCKS	United States	$1.11	500 g	97%
Chemscene	United States	$1.78	100 g	—
AK Scientific Specialized	United States	$1.78	100 g	95%
Combi-Blocks, Inc.	United States	$1.78	100 g	95%
Synthonix	United States	$2.20	100 g	95%
MedChemExpress MCE	Sweden	$2.23	25 g	—
AK Scientific, Inc.	United States	$2.38	100 g	97%
Angene International Limited	United States	$4.01	100 g	97%
Angene	China → Hong Kong	$4266.67	30 mg	95%

Chemical Identity

CAS119-40-4

PubChem CID67065

DTXSIDDTXSID0044787

FormulaC16H13NO4S

Mol. Weight315.3 g/mol

SMILESC1=CC=C(C=C1)NC2=CC3=CC(=CC(=C3C=C2)O)S(=O)(=O)O

Data Sources

DTXSID00447872026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

670652026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/67065/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/67065.json

119-40-42026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

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