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Diazenecarboxylic acid, 2-phenyl-, 2-phenylhydrazide

CAS 538-62-5

Molecular structure of 538-62-5
US productionNot reported
Import value, 2024$191M
Top sourceSwitzerland 35%

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 292800 · basket

These shares come from HS customs code 292800, which covers 112 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CH 35%SwitzerlandIT 28%ItalyCN 12%ChinaIN 6%IndiaJP 6%Japan

Why It Matters

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

Chemical Identity

CAS538-62-5
PubChem CIDNot recorded
DTXSIDDTXSID5060225
FormulaC13H12N4O
Mol. Weight240.266 g/mol
SMILESO=C(NNC1=CC=CC=C1)N=NC1=CC=CC=C1

Data Sources

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Brief citations

Diazenecarboxylic acid, 2-phenyl-, 2-phenylhydrazide (CAS 538-62-5) https://chemicalindependence.com/chemical/538-62-5/ EPA TSCA Inventory: CAS 538-62-5. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 292800 for CAS 538-62-5. Reporting year: 2024. https://usatrade.census.gov/