2,2′-Dihydroxy-4-methoxybenzophenone

Drug ingredient

CAS 131-53-3

This drug ingredient has classified U.S. production volumes. EPA withholds the number as confidential business information.

Molecular structure of 131-53-3
US productionCBI
Import value, 2024$85M
Top sourceChina 53%

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 291450 · basket

EPA reports by year
2023
US production Confidential · Imports Confidential
2019
US production Confidential · Imports Confidential

These shares come from HS customs code 291450, which covers 68 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 53%ChinaIN 25%IndiaMX 9%MexicoDE 7%GermanyIT 4%Italy
EPA-registered importers (2)
Syensqo Sa · BE Belgium
Solvay

Why It Matters

Sectors
HealthPlastics & Rubber
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

  • •UV stabilizer in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.28/gAK Scientific Specialized
CountryUnited States
Pack$28.00 / 100 g
Purity99%
Vendors22 available

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

Chemical Identity

CAS131-53-3
PubChem CID8569
DTXSIDDTXSID3022403
FormulaC14H12O4
Mol. Weight244.24 g/mol
SMILESCOC1=CC(=C(C=C1)C(=O)C2=CC=CC=C2O)O

Data Sources

Brief citations

2,2′-Dihydroxy-4-methoxybenzophenone (CAS 131-53-3) https://chemicalindependence.com/chemical/131-53-3/ EPA CompTox (DSSTox): DTXSID3022403. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3022403 PubChem: 8569. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/8569 EPA Chemical Data Reporting: 131-53-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 131-53-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291450 for CAS 131-53-3. Reporting year: 2024. https://usatrade.census.gov/