Phosphoric acid, trihexyl ester

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

Molecular structure of 2528-39-4
US ProductionCBI
Import Value$123M
Top SourceChina 66%

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 291990 · basket

These shares come from HS customs code 291990, which covers 36 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 66%ChinaDE 18%GermanyJP 5%JapanIN 3%IndiaCH 3%Switzerland
EPA-registered importers (2)
Fujifilm Holdings Japan · JP Japan
Fujifilm Holdings America

Why It Matters

Sectors
Consumer Products
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 1 sector as 1 functional role.

  • Solvent in Photographic Film, Paper, Plate, and Chemical Manufacturing (100%)Processing—incorporation into article

Vendor Pricing

$7.40/gA2B Chem LLC
CountryUnited States
Pack$185.00 / 25 g
Purity90%
Vendors11 available

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

10 more vendors
VendorCountry$/gPackPurity
Combi-Blocks, Inc.United States$7.4025 g90%
Aaron Chemicals LLCHong Kong$7.8425 g95%
BLD Pharmatech Ltd.China$8.4025 g98%
Angene ChemicalChina Hong Kong$8.4425 g95%
AA BLOCKSUnited States$9.6025 g90%
BLD Pharmatech GmbHGermany$12.005 g98%
ALFA AESARGermany$20.1625 g90%
AstaTech (2 weeks)United States$58.001 g95%
MedChemExpress MCESweden$1246.30100 mg99%
AngeneChina Hong Kong$4266.6730 mg95%

Chemical Identity

CAS2528-39-4
PubChem CID75666
DTXSIDDTXSID1074597
FormulaC18H39O4P
Mol. Weight350.5 g/mol
SMILESCCCCCCOP(=O)(OCCCCCC)OCCCCCC

Data Sources

DTXSID10745972026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

756662026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/75666/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/75666.json

2528-39-42026-04-24

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

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

CAS 2528-39-42026-04-25

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

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