Diisodecylphenyl phosphite

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

Molecular structure of 25550-98-5
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 (3)
Galata Chemicals
Icc Industries
Si Group Usa (Usaa)
EPA-registered importers (1)
Soyventis North America

Why It Matters

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

Industrial Uses

Used in 3 sectors as 5 functional roles.

  • •Heat stabilizer in Plastics Product Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Stabilizing agent 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
  • •Chemical reaction regulator in Plastics Material and Resin Manufacturing (10%)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
  • •Chemical reaction regulator in Synthetic Rubber Manufacturing (90%)Processing—incorporation into formulation, mixture, or reaction product
  • •Antioxidant in Synthetic Rubber Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.17/gA2B Chem LLC (2 weeks)
CountryUnited States
Pack$415.00 / 2.5 kg
PurityNo data available
Vendors4 available

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

3 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina → Hong Kong$0.17500 g98%
AA BLOCKS (2 weeks)United States$0.172.5 kg—
Aaron Chemicals LLCHong Kong$0.32500 g—

Chemical Identity

CAS25550-98-5
PubChem CID16212880
DTXSIDDTXSID3027877
FormulaC26H47O3P
Mol. Weight438.6 g/mol
SMILESCC(C)CCCCCCCOP(OCCCCCCCC(C)C)OC1=CC=CC=C1

Data Sources

DTXSID30278772026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

162128802026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/16212880/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/16212880.json

25550-98-52026-04-24

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

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

CAS 25550-98-52026-04-25

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

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

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