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[1,1'-Biphenyl]-4,4'-diamine

CAS 92-87-5

Molecular structure of 92-87-5
US productionNot reported
Import value, 2024$6.2B
Top sourceJapan 32%

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 292159, 382499 · basket

These shares come from HS customs code 292159, 382499, which covers 256 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
JP 32%JapanKR 27%South KoreaDE 8%GermanyCA 6%CanadaCN 4%China

Why It Matters

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

Chemical Identity

CAS92-87-5
PubChem CIDNot recorded
DTXSIDDTXSID2020137
FormulaC12H12N2
Mol. Weight184.242 g/mol
SMILESNC1=CC=C(C=C1)C1=CC=C(N)C=C1

Data Sources

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Brief citations

[1,1'-Biphenyl]-4,4'-diamine (CAS 92-87-5) https://chemicalindependence.com/chemical/92-87-5/ EPA TSCA Inventory: CAS 92-87-5. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 292159,382499 for CAS 92-87-5. Reporting year: 2024. https://usatrade.census.gov/