1,4-Diisopropylbenzene

CAS 100-18-5

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$68M

Top sourceIndia 35%

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 290290 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 290290, which covers 171 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).

IN 35%IndiaTW 11%TaiwanES 10%SpainDE 10%GermanyCN 8%China

Czech Republic
Netherlands
Switzerland
Pakistan
United Kingdom
Austria
Denmark
Indonesia
Lithuania
Hong Kong
Finland

EPA-registered manufacturers (4)

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

Shell Plc · GB United Kingdom

Futurefuel

Shell Petroleum

The Goodyear Tire & Rubber

Domestic parents -- activity not disclosed (1)

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

Eastman Chemical

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 2 sectors as 1 functional role.

•Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing—repackaging
•Intermediate in Petroleum Refineries (100%)Processing as a reactant

Vendor Pricing

$0.14/gAaron Chemicals LLC

CountryHong Kong

Pack$141.00 / 1 kg

Purity98%

Vendors14 available

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

13 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.16	500 g	98%
Chemscene	United States	$0.28	1 kg	—
Ambeed, Inc.	United States	$0.33	1 kg	98%
A2B Chem LLC	United States	$0.33	100 g	98%
AA BLOCKS	United States	$0.40	100 g	98%
Combi-Blocks, Inc.	United States	$0.40	100 g	98%
Synthonix	United States	$0.60	100 g	98%
Sigma-Aldrich (Rush Stock)	Germany	$1.25	100 g	97%
Sigma-Aldrich	Germany	$1.25	100 g	97%
AstaTech (2 weeks)	United States	$3.26	100 g	95%
Fluorochem UK	United Kingdom	$7.15	1 g	95%
TargetMol Chemicals	China → United States	$50.00	1 g	98.64%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS100-18-5

PubChem CID7486

DTXSIDDTXSID2026652

FormulaC12H18

Mol. Weight162.27 g/mol

SMILESCC(C)C1=CC=C(C=C1)C(C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID2026652Retrieved 2026-04-06
PubChem · compound 7486Retrieved 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

1,4-Diisopropylbenzene (CAS 100-18-5) https://chemicalindependence.com/chemical/100-18-5/ EPA CompTox (DSSTox): DTXSID2026652. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2026652 PubChem: 7486. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/7486 EPA Chemical Data Reporting: 100-18-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 100-18-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290290 for CAS 100-18-5. Reporting year: 2024. https://usatrade.census.gov/