Diphenyl phosphate
CAS 838-85-7
Phosphoric acid, diphenyl ester
Used in 1 industrial sector tracked by the EPA.
Production is reported production, not a complete census of factories. 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
- 2023
- US production 125.3K lb · Imports Zero
HS customs code 291990 covers 77 tracked chemicals in total. US Census does not break out this chemical's share, so the country-of-origin mix is not available. EPA CDR reports import dependency at the chemical level separately, shown above.
Why It Matters
Industrial Uses
- •Surfactant (surface active agent) in Paint and Coating Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
26 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| Angene Chemical | China → Hong Kong | $0.07 | 500 g | 98% |
| A2B Chem LLC | United States | $0.09 | 1 kg | — |
| AA BLOCKS | United States | $0.09 | 500 g | 97% |
| Fluorochem EU | Germany | $0.11 | 500 g | 95% |
| Fluorochem UK | United Kingdom | $0.11 | 1 kg | 95% |
| Chemscene | United States | $0.13 | 1 kg | — |
| BLD Pharmatech GmbH | Germany | $0.15 | 1 kg | 97% |
| BLD Pharmatech Ltd. | China | $0.15 | 1 kg | 97% |
| AK Scientific, Inc. | United States | $0.16 | 500 g | 95% |
| Ambeed, Inc. | United States | $0.16 | 1 kg | 97% |
| AK Scientific Specialized | United States | $0.16 | 1 kg | 97% |
| BLD Pharmatech Co., Limited | United States | $0.16 | 500 g | 97% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 98% |
| Angene International Limited | United States | $0.32 | 500 g | — |
| Synthonix | United States | $0.50 | 100 g | 97% |
| Apollo Scientific US | United Kingdom | $0.78 | 100 g | 95% |
| AstaTech (2 weeks) | United States | $1.17 | 100 g | 95% |
| MedChemExpress MCE | Sweden | $5.52 | 25 g | 99.98% |
| Sigma-Aldrich (Rush Stock) | Germany | $6.62 | 25 g | 99% |
| Sigma-Aldrich | Germany | $6.62 | 25 g | 99% |
| ALFA AESAR | Germany | $9.55 | 5 g | 97% |
| Molnova | China | $26.00 | 1 g | 99% |
| TargetMol Chemicals | China → United States | $29.00 | 1 g | 99.99% |
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $3170.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
Chemical Identity
Data Sources
- EPA TSCA InventoryRetrieved 2026-04-29
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
Brief citations
Diphenyl phosphate (CAS 838-85-7) https://chemicalindependence.com/chemical/838-85-7/ EPA TSCA Inventory: CAS 838-85-7. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 838-85-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 838-85-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting