Phosphorous acid, tris(methylphenyl) ester

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

Molecular structure of 25586-42-9
US ProductionCBI
Import Value$23M
Top SourceSingapore 52%

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 292029 · basket

These shares come from HS customs code 292029, which covers 17 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
SG 52%SingaporeTW 12%TaiwanIT 9%ItalyGB 7%United KingdomES 7%Spain
EPA-registered manufacturers (2)
Lanxess
Si Group Usa (Usaa)

Why It Matters

Sectors
Plastics & Rubber
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 2 sectors as 3 functional roles.

  • •Catalyst in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •UV stabilizer in Plastics Material and Resin Manufacturing (90%)Processing—incorporation into formulation, mixture, or reaction product
  • •Antioxidant in Plastics Material and Resin Manufacturing (90%)Processing—incorporation into formulation, mixture, or reaction product
  • •UV stabilizer in Synthetic Rubber Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product
  • •Antioxidant in Synthetic Rubber Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.33/gAA BLOCKS
CountryUnited States
Pack$163.00 / 500 g
PurityNo data available
Vendors9 available

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

8 more vendors
VendorCountry$/gPackPurity
A2B Chem LLCUnited States$0.58500 g—
Aaron Chemicals LLCHong Kong$0.78100 g98%
Angene ChemicalChina → Hong Kong$0.85100 g98%
AK Scientific, Inc.United States$1.89100 g—
Angene International LimitedUnited States$3.26100 g—
Otava, Ltd.Ukraine$2280.0050 mg95%
Otava, Ltd. (2 weeks)Ukraine$2724.0050 mg95%
AngeneChina → Hong Kong$4266.6730 mg98%

Chemical Identity

CAS25586-42-9
PubChem CID12106
DTXSIDDTXSID3027879
FormulaC21H21O3P
Mol. Weight352.4 g/mol
SMILESCC1=CC=C(C=C1)OP(OC2=CC=C(C=C2)C)OC3=CC=C(C=C3)C

Data Sources

DTXSID30278792026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

121062026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/12106/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/12106.json

25586-42-92026-04-24

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

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

CAS 25586-42-92026-04-25

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

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

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