4,4',4''-Ethane-1,1,1-triyltriphenol

CAS 27955-94-8

EPA’s 2023 records show zero U.S. production of this chemical.

Molecular structure of 27955-94-8
US productionZero
Import value, 2024$72M
Import volumeCBI
Top sourceIndia 30%

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 290729 · basket

EPA reports by year
2023
US production Zero · Imports Confidential
2019
US production Confidential · Imports Confidential

These shares come from HS customs code 290729, which covers 82 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IN 30%IndiaDE 19%GermanyCN 16%ChinaJP 11%JapanIT 7%Italy
Domestic parents -- activity not disclosed (1)
Lanxess

Why It Matters

Sectors
Plastics & Rubber
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 1 sector as 2 functional roles.

  • •Intermediate in Plastics Material and Resin Manufacturing (100%)Processing as a reactant
  • •Stabilizing agent in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.14/gAngene Chemical
CountryChina (registered: Hong Kong)
Pack$72.00 / 500 g
Purity98%
Vendors17 available

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

Chemical Identity

CAS27955-94-8
PubChem CID93118
DTXSIDDTXSID2037712
FormulaC20H18O3
Mol. Weight306.4 g/mol
SMILESCC(C1=CC=C(C=C1)O)(C2=CC=C(C=C2)O)C3=CC=C(C=C3)O

Data Sources

Brief citations

4,4',4''-Ethane-1,1,1-triyltriphenol (CAS 27955-94-8) https://chemicalindependence.com/chemical/27955-94-8/ EPA CompTox (DSSTox): DTXSID2037712. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2037712 PubChem: 93118. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/93118 EPA Chemical Data Reporting: 27955-94-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 27955-94-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290729 for CAS 27955-94-8. Reporting year: 2024. https://usatrade.census.gov/