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Tetraphenyl m-phenylene bis(phosphate)

CAS 57583-54-7

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

Molecular structure of 57583-54-7
US productionCBI
Import value, 2024$123M
Top sourceChina 66%

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 291990 · basket

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

These shares come from HS customs code 291990, which covers 77 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 66%ChinaDE 18%GermanyJP 5%JapanIN 3%IndiaCH 3%Switzerland
Domestic parents -- activity not disclosed (1)
Icl Specialty Products North America
EPA-registered importers (2)
Basf Se · DE Germany
Basf

Why It Matters

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

Industrial Uses

Used in 4 sectors as 2 functional roles.

  • •Flame retardant in Plastics Product Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Flame retardant in Transportation Equipment ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Flame retardant in Electrical Equipment, Appliance, and Component ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Sealant (barrier) in Fabricated Metal Product ManufacturingUse—non-incorporative activities

Vendor Pricing

$0.10/gAaron Chemicals LLC
CountryHong Kong
Pack$99.00 / 1 kg
Purity98%
Vendors8 available

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

7 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina → Hong Kong$0.12500 g98%
A2B Chem LLCUnited States$0.46500 g—
AA BLOCKSUnited States$0.60500 g—
Combi-Blocks, Inc.United States$19.2025 g98%
Angene International LimitedUnited States$261.001 g98%
MedChemExpress MCESweden$3448.50100 mg—
AngeneChina → Hong Kong$4266.6730 mg98%

Chemical Identity

CAS57583-54-7
PubChem CID93311
DTXSIDDTXSID8069197
FormulaC30H24O8P2
Mol. Weight574.5 g/mol
SMILESC1=CC=C(C=C1)OP(=O)(OC2=CC=CC=C2)OC3=CC(=CC=C3)OP(=O)(OC4=CC=CC=C4)OC5=CC=CC=C5

Data Sources

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Brief citations

Tetraphenyl m-phenylene bis(phosphate) (CAS 57583-54-7) https://chemicalindependence.com/chemical/57583-54-7/ EPA CompTox (DSSTox): DTXSID8069197. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID8069197 PubChem: 93311. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/93311 EPA Chemical Data Reporting: 57583-54-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 57583-54-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291990 for CAS 57583-54-7. Reporting year: 2024. https://usatrade.census.gov/