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[1,1'-Biphenyl]-4,4'-diamine, 3,3',5,5'-tetramethyl-, hydrochloride (1:2)

CAS 64285-73-0

Molecular structure of 64285-73-0
2 HCl
US productionNot reported
Import value, 2024$84M
Top sourceJapan 31%

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 · basket

These shares come from HS customs code 292159, which covers 51 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
JP 31%JapanIN 26%IndiaCN 21%ChinaCH 13%SwitzerlandBE 4%Belgium

Why It Matters

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

Chemical Identity

CAS64285-73-0
PubChem CIDNot recorded
DTXSIDDTXSID6070067
FormulaC16H22Cl2N2
Mol. Weight313.27 g/mol
SMILESCl.Cl.CC1=CC(=CC(C)=C1N)C1=CC(C)=C(N)C(C)=C1

Data Sources

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Brief citations

[1,1'-Biphenyl]-4,4'-diamine, 3,3',5,5'-tetramethyl-, hydrochloride (1:2) (CAS 64285-73-0) https://chemicalindependence.com/chemical/64285-73-0/ EPA TSCA Inventory: CAS 64285-73-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 292159 for CAS 64285-73-0. Reporting year: 2024. https://usatrade.census.gov/