6-tert-Butyl-2,4-xylenol

CAS 1879-09-0

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

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import value, 2024$33M

Top sourceGermany 29%

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 290719 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports 14.0K lb

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

Country of origin for US imports, from Census customs data (2024).

DE 29%GermanyIN 26%IndiaCN 19%ChinaIT 9%ItalyCH 5%Switzerland

Mexico
Poland
South Korea
Canada
Russia
Ukraine
Hong Kong
Malaysia
United Kingdom

Domestic parents -- activity not disclosed (2)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Innospec

Si Group

EPA-registered importers (2)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Syensqo Sa · BE Belgium

Solvay

Why It Matters

Sectors

EnergyCore Chemicals

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

Used in 4 sectors as 3 functional roles.

•Lubricating agent in Petroleum Lubricating Oil and Grease Manufacturing (90%)Processing—incorporation into formulation, mixture, or reaction product
•Fuel agents in Petrochemical Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product
•Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant
•Fuel agents in Petroleum Refineries (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.20/gAK Scientific Specialized

CountryUnited States

Pack$200.00 / 1 kg

Purity97%

Vendors7 available

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

6 more vendors

Vendor	Country	$/g	Pack	Purity
Manchester Organics	United Kingdom	$0.21	500 g	97%
AK Scientific, Inc.	United States	$0.25	1 kg	99%
Combi-Blocks, Inc.	United States	$0.25	1 kg	98%
Apollo Scientific UK	United Kingdom	$0.35	500 g	97%
TargetMol Chemicals	China → United States	$35.00	1 g	—
Key Organics Ltd.	United Kingdom	$2740.00	50 mg	97%

Chemical Identity

CAS1879-09-0

PubChem CID15884

DTXSIDDTXSID6041551

FormulaC12H18O

Mol. Weight178.27 g/mol

SMILESCC1=CC(=C(C(=C1)C(C)(C)C)O)C

Data Sources

EPA CompTox (DSSTox) · DTXSID6041551Retrieved 2026-04-06
PubChem · compound 15884Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

6-tert-Butyl-2,4-xylenol (CAS 1879-09-0) https://chemicalindependence.com/chemical/1879-09-0/ EPA CompTox (DSSTox): DTXSID6041551. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6041551 PubChem: 15884. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/15884 EPA Chemical Data Reporting: 1879-09-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1879-09-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290719 for CAS 1879-09-0. Reporting year: 2024. https://usatrade.census.gov/