Phenol, 4-nonyl-, phosphite (3:1)

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

US ProductionCBI

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

EPA-registered manufacturers (1)

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.

•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

$0.27/gAaron Chemicals LLC

CountryHong Kong

Pack$136.00 / 500 g

Purity95%

Vendors7 available

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

6 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.30	500 g	95%
A2B Chem LLC	United States	$0.38	500 g	98%
Combi-Blocks, Inc.	United States	$0.38	500 g	98%
AA BLOCKS	United States	$0.44	100 g	97%
AstaTech (2 weeks)	United States	$48.00	1 g	95%
Angene	China → Hong Kong	$4266.67	30 mg	95%

Chemical Identity

CAS3050-88-2

PubChem CID76452

DTXSIDDTXSID60872866

FormulaC45H69O3P

Mol. Weight689 g/mol

SMILESCCCCCCCCCC1=CC=C(C=C1)OP(OC2=CC=C(C=C2)CCCCCCCCC)OC3=CC=C(C=C3)CCCCCCCCC

Data Sources

DTXSID608728662026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

764522026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/76452/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/76452.json

3050-88-22026-04-24

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

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

CAS 3050-88-22026-04-25