Triphenylphosphine

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

Molecular structure of 603-35-0
US ProductionCBI
Import Value$598M
Top SourceChina 89%

The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.

Where It Comes From

Customs basis: HS 293149 · basket

These shares come from HS customs code 293149, which covers 52 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 89%ChinaIN 4%IndiaCA 3%CanadaDE 2%GermanyAR 1%Argentina
EPA-registered importers (7)
Basf Se · DE Germany
Covestro Ag · DE Germany
Arlanxeo
Basf
Covestro
Show all 7
Pmc Organometallix
Shin Etsu Silicones Of America

Why It Matters

Sectors
TransportationPlastics & RubberTextilesCore Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 5 sectors as 6 functional roles.

  • Catalyst in Synthetic Rubber Manufacturing (100%)Processing as a reactant
  • Paint additives and coating additives not described by other categories in Transportation Equipment Manufacturing (0%)Processing—incorporation into article
  • Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant
  • Catalyst in All Other Basic Organic Chemical ManufacturingUse—non-incorporative activities
  • Dyes in Synthetic Dye and Pigment ManufacturingProcessing as a reactant
  • Stabilizing agent in Plastics Product Manufacturing (100%)Processing—incorporation into article
  • Binder in Synthetic Rubber Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS603-35-0
PubChem CID11776
DTXSIDDTXSID5026251
FormulaC18H15P
Mol. Weight262.3 g/mol
SMILESC1=CC=C(C=C1)P(C2=CC=CC=C2)C3=CC=CC=C3

Data Sources

DTXSID50262512026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

117762026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/11776/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/11776.json

603-35-02026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

CAS 603-35-02026-04-25

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr_industrial.csv