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4,4'-Biphenyldiol

CAS 92-88-6

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

Molecular structure of 92-88-6
US productionCBI
Import value, 2024$72M
Top sourceIndia 30%

At least one company claimed its 2023 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: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 290729 · basket

EPA reports by year
2023
US production Confidential · Imports Confidential
2019
US production Confidential · Imports 2.5M lb

These shares come from HS customs code 290729, which covers 82 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IN 30%IndiaDE 19%GermanyCN 16%ChinaJP 11%JapanIT 7%Italy
Domestic parents -- activity not disclosed (1)
Si Group
EPA-registered importers (2)
Syensqo Sa · BE Belgium
Solvay

Why It Matters

Sectors
Plastics & RubberCore Chemicals
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 2 sectors as 2 functional roles.

  • •Monomers in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Intermediate in Plastics Material and Resin Manufacturing (100%)Processing as a reactant
  • •Monomers in Plastics Material and Resin Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.04/gAaron Chemicals LLC
CountryHong Kong
Pack$18.00 / 500 g
Purity97%
Vendors22 available

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

21 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina → Hong Kong$0.04500 g97%
A2B Chem LLCUnited States$0.051 kg98%
AA BLOCKSUnited States$0.061 kg98%
ChemsceneUnited States$0.071 kg—
Ambeed, Inc.United States$0.071 kg97%
MedChemExpress MCESweden$0.115 kg99.95%
Acrotein ChemBio, Inc.United States$0.171 kg—
AK Scientific SpecializedUnited States$0.22500 g95%
Combi-Blocks, Inc.United States$0.251 kg97%
Key Organics Ltd.United Kingdom$0.29500 g99%
AK Scientific, Inc.United States$0.29500 g98%
SynthonixUnited States$0.30100 g95%
Angene International LimitedUnited States$0.70500 g99%
ALFA AESARGermany$1.98100 g99%
AstaTech (2 weeks)United States$3.0825 g98%
Sigma-Aldrich (Rush Stock)Germany$4.63100 g97%
Sigma-AldrichGermany$4.63100 g97%
Labotest KGGermany$217.805000 mg90%
Princeton BioMolecular Research (SC)United States$2900.00100 mg90%
Vitas M Chemical LimitedHong Kong$3170.00100 mg90%
AngeneChina → Hong Kong$4266.6730 mg97%

Chemical Identity

CAS92-88-6
PubChem CID7112
DTXSIDDTXSID1029120
FormulaC12H10O2
Mol. Weight186.21 g/mol
SMILESC1=CC(=CC=C1C2=CC=C(C=C2)O)O

Data Sources

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Brief citations

4,4'-Biphenyldiol (CAS 92-88-6) https://chemicalindependence.com/chemical/92-88-6/ EPA CompTox (DSSTox): DTXSID1029120. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID1029120 PubChem: 7112. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/7112 EPA Chemical Data Reporting: 92-88-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 92-88-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290729 for CAS 92-88-6. Reporting year: 2024. https://usatrade.census.gov/