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Methyl 3,5-bis(tert-butyl)-4-hydroxyhydrocinnamate

CAS 6386-38-5

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

Molecular structure of 6386-38-5
US productionCBI
Import value, 2024$122M
Top sourceSouth Korea 39%

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. US production volume is confidential. 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 291829 · basket

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

These shares come from HS customs code 291829, which covers 85 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
KR 39%South KoreaCN 26%ChinaTW 11%TaiwanJP 9%JapanSG 5%Singapore
EPA-registered manufacturers (2)
Basf Se · DE Germany
Basf
Domestic parents -- activity not disclosed (2)
Ascent Industries
Si Group
EPA-registered importers (1)
Wego Chemical Group

Why It Matters

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

Industrial Uses

Used in 2 sectors as 1 functional role.

  • •Antioxidant in Plastics Material and Resin Manufacturing (50%)Processing—incorporation into formulation, mixture, or reaction product
  • •Antioxidant in Synthetic Rubber Manufacturing (50%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.06/gAaron Chemicals LLC
CountryHong Kong
Pack$59.00 / 1 kg
Purity98%
Vendors24 available

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

23 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina → Hong Kong$0.06500 g98%
A2B Chem LLCUnited States$0.091 kg98%
AA BLOCKSUnited States$0.101 kg98%
Fluorochem EUGermany$0.10500 g95%
ChemsceneUnited States$0.121 kg—
BLD Pharmatech Ltd.China$0.121 kg97%
BLD Pharmatech GmbHGermany$0.12500 g97%
Ambeed, Inc.United States$0.131 kg97%
BLD Pharmatech Co., LimitedUnited States$0.13500 g97%
SynthonixUnited States$0.16500 g95%
Apollo Scientific UKUnited Kingdom$0.24100 g97%
AK Scientific SpecializedUnited States$0.251 kg95%
Combi-Blocks, Inc.United States$0.251 kg98%
AK Scientific, Inc.United States$0.331 kg98%
AstaTech (2 weeks)United States$1.17100 g95%
Fluorochem UKUnited Kingdom$7.151 g95%
InterbioscreenHong Kong$51.0010 g95%
Angene International LimitedUnited States$140.001 g98%
Otava, Ltd.Ukraine$2280.0050 mg90%
Key Organics Ltd.United Kingdom$2740.0050 mg95%
AngeneChina → Hong Kong$4266.6730 mg98%
Princeton BioMolecular Research (SC)United States$8000.0015 mg90%
Vitas M Chemical LimitedHong Kong$9000.0010 mg90%

Chemical Identity

CAS6386-38-5
PubChem CID62603
DTXSIDDTXSID7027623
FormulaC18H28O3
Mol. Weight292.4 g/mol
SMILESCC(C)(C)C1=CC(=CC(=C1O)C(C)(C)C)CCC(=O)OC

Data Sources

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Brief citations

Methyl 3,5-bis(tert-butyl)-4-hydroxyhydrocinnamate (CAS 6386-38-5) https://chemicalindependence.com/chemical/6386-38-5/ EPA CompTox (DSSTox): DTXSID7027623. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7027623 PubChem: 62603. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/62603 EPA Chemical Data Reporting: 6386-38-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 6386-38-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291829 for CAS 6386-38-5. Reporting year: 2024. https://usatrade.census.gov/