1,2-Dihydro-6-hydroxy-1,4-dimethyl-2-oxo-5-((3-((phenylsulphonyl)oxy)phenyl)azo)nicotinonitrile

CAS 59312-61-7

U.S. production volumes are classified as confidential business information.

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import value, 2024$50M

Top sourceIndonesia 23%

At least one company claimed its 2019 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. 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 292700 · basket

EPA reports by year

2019: US production Confidential · Imports Confidential

These shares come from HS customs code 292700, which covers 89 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).

ID 23%IndonesiaJP 18%JapanMX 16%MexicoCN 13%ChinaKR 8%South Korea

Germany
United Kingdom
Switzerland
Belgium
Latvia
Ukraine

EPA-registered importers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Huntsman

Why It Matters

Sectors

Textiles

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

•Dye in Textiles, apparel, and leather manufacturing (100%)Processing—incorporation into article

Chemical Identity

CAS59312-61-7

PubChem CID101006

DTXSIDDTXSID1069322

FormulaC20H16N4O5S

Mol. Weight424.4 g/mol

SMILESCC1=C(C(=O)N(C(=C1C#N)O)C)N=NC2=CC(=CC=C2)OS(=O)(=O)C3=CC=CC=C3

Data Sources

EPA CompTox (DSSTox) · DTXSID1069322Retrieved 2026-04-06
PubChem · compound 101006Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
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

1,2-Dihydro-6-hydroxy-1,4-dimethyl-2-oxo-5-((3-((phenylsulphonyl)oxy)phenyl)azo)nicotinonitrile (CAS 59312-61-7) https://chemicalindependence.com/chemical/59312-61-7/ EPA CompTox (DSSTox): DTXSID1069322. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID1069322 PubChem: 101006. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/101006 EPA Chemical Data Reporting: 59312-61-7. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 59312-61-7. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292700 for CAS 59312-61-7. Reporting year: 2024. https://usatrade.census.gov/