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4-Ethylphenol

CAS 123-07-9

Used in 5 industrial sectors tracked by the EPA.

Molecular structure of 123-07-9
US production2.0M lb
Import value, 2024$33M
Import volume2.3M lb
Import dependency53%
Top sourceGermany 29%

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 290719 · basket

EPA reports by year
2023
US production 2.0M lb · Imports 2.3M lb
2019
US production Confidential · Imports Confidential

These shares come from HS customs code 290719, which covers 116 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
DE 29%GermanyIN 26%IndiaCN 19%ChinaIT 9%ItalyCH 5%Switzerland
EPA-registered manufacturers (2)
Sasol · ZA South Africa
Sasol Chemicals (Usa)

Why It Matters

Sectors
EnergyPlastics & RubberConsumer ProductsPaints & CoatingsCore Chemicals
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 5 sectors as 3 functional roles.

  • •Solvent in Oil and Gas Drilling, Extraction, and Support activities (0%)Processing—incorporation into formulation, mixture, or reaction product
  • •Corrosion inhibitor in All Other Chemical Product and Preparation Manufacturing (8%)Processing as a reactant
  • •Cleaning agent in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product
  • •Cleaning agent in All Other Chemical Product and Preparation Manufacturing (0%)Processing as a reactant
  • •Solvent in Paint and Coating Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product
  • •Solvent in Plastics Material and Resin Manufacturing (0%)Processing as a reactant

Vendor Pricing

$0.06/gAaron Chemicals LLC
CountryHong Kong
Pack$29.00 / 500 g
Purity97%
Vendors25 available

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

24 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina → Hong Kong$0.07500 g97%
Fluorochem EUGermany$0.10500 g95%
ChemsceneUnited States$0.111 kg—
A2B Chem LLCUnited States$0.12500 g98%
Ambeed, Inc.United States$0.13500 g98%
AK Scientific SpecializedUnited States$0.14500 g95%
AA BLOCKSUnited States$0.15500 g98%
AstaTech, IncUnited States$0.15500 g95%
MedChemExpress MCESweden$0.181 kg99.99%
AK Scientific, Inc.United States$0.19500 g98%
ALFA AESARGermany$0.20250 g97%
Sigma-Aldrich (Rush Stock)Germany$0.2110 kg98%
Sigma-AldrichGermany$0.2110 kg98%
Combi-Blocks, Inc.United States$0.251 kg98%
Fluorochem UKUnited Kingdom$0.4625 g95%
Angene International LimitedUnited States$2.1625 g95%
MolnovaChina$27.001 g99%
Labotest KGGermany$217.805000 mg90%
Apexbio Technology LLCUnited States$425.00200 mg99.45%
Otava, Ltd.Ukraine$460.00250 mg90%
Otava, Ltd. (2 weeks)Ukraine$2724.0050 mg90%
Princeton BioMolecular Research (SC)United States$2900.00100 mg90%
Vitas M Chemical LimitedHong Kong$4020.0050 mg90%
AngeneChina → Hong Kong$4266.6730 mg97%

Chemical Identity

CAS123-07-9
PubChem CID31242
DTXSIDDTXSID4021977
FormulaC8H10O
Mol. Weight122.16 g/mol
SMILESCCC1=CC=C(C=C1)O

Data Sources

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Brief citations

4-Ethylphenol (CAS 123-07-9) https://chemicalindependence.com/chemical/123-07-9/ EPA CompTox (DSSTox): DTXSID4021977. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4021977 PubChem: 31242. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/31242 EPA Chemical Data Reporting: 123-07-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 123-07-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290719 for CAS 123-07-9. Reporting year: 2024. https://usatrade.census.gov/