Tris(4-tert-butylphenyl) phosphate

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

Molecular structure of 78-33-1
US ProductionCBI
Import Value$123M
Import VolumeZero
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 manufacturers (1)
Icl Specialty Products North America

Why It Matters

Sectors
WaterMetals & MiningPlastics & RubberCore Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 5 sectors as 3 functional roles.

  • Flame retardant in Plastics Material and Resin Manufacturing (3%)Processing—incorporation into formulation, mixture, or reaction product
  • Flame retardant in All Other Chemical Product and Preparation Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product
  • Flame retardant in Plastics Product Manufacturing (2%)Processing—incorporation into formulation, mixture, or reaction product
  • Lubricating agent in Primary Metal Manufacturing (6%)Processing—incorporation into formulation, mixture, or reaction product
  • Hydraulic fluids in Utilities (88%)Use—non-incorporative activities

Vendor Pricing

$25.40/gAaron Chemicals LLC
CountryHong Kong
Pack$635.00 / 25 g
Purity98%
Vendors16 available

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

15 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina Hong Kong$25.6025 g98%
Combi-Blocks, Inc.United States$39.005 g95%
A2B Chem LLCUnited States$40.001 g95%
AA BLOCKSUnited States$44.001 g95%
BLD Pharmatech Co., LimitedUnited States$46.005 g95%
BLD Pharmatech GmbHGermany$46.005 g95%
BLD Pharmatech Ltd.China$46.005 g95%
Ambeed, Inc.United States$46.005 g95%
MedChemExpress MCESweden$68.735 g98.69%
AK Scientific, Inc.United States$89.001 g98%
AstaTech (2 weeks)United States$102.005 g95%
Angene International LimitedUnited States$172.001 g98%
ChemBridge CorporationKazakhstan$2400.00100 mg90%
ChemDiv, Inc.United States$4070.00100 mg90%
AngeneChina Hong Kong$4266.6730 mg98%

Chemical Identity

CAS78-33-1
PubChem CID6530
DTXSIDDTXSID3051466
FormulaC30H39O4P
Mol. Weight494.6 g/mol
SMILESCC(C)(C)C1=CC=C(C=C1)OP(=O)(OC2=CC=C(C=C2)C(C)(C)C)OC3=CC=C(C=C3)C(C)(C)C

Data Sources

DTXSID30514662026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

65302026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/6530/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/6530.json

78-33-12026-04-24

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

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

CAS 78-33-12026-04-25

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

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