Asphalt

CAS 8052-42-4

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$2.4B

Top sourceCanada 90%

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 271320 · narrow

EPA reports by year

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

These shares come from HS customs code 271320, which covers 4 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).

CA 90%CanadaCO 3%ColombiaVE 3%VenezuelaGR 2%GreeceES 1%Spain

Curacao
Switzerland
United Kingdom
Germany
Slovenia
Austria
Mexico
China

EPA-registered manufacturers (30)

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

Arlanxeo Holding Bv · NL Netherlands

American Refining Group

Arlanxeo Usa

Asphalt And Fuel Supply

Calumet

Show all 30

Calumet Refining

Calumet Specialty Products Partners

Centennial Asphalt

Chs

Countrymark

Delek Us Holdings

Dover Chemical

Ergon

ExxonMobil

Hf Sinclair

Hf Sinclair Parco Refining

Hunt Consolidated

Marathon Petroleum

Martin Resource Management

Par Hawaii Refining

Par Pacific Holdings

Pbf Holding

Phillips 66

Placid Refining

Sky Quarry

Suncor Energy Usa

Superior Refining

Trafigura Trading

United Refining

Wrb Refining

Domestic parents -- activity not disclosed (6)

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

Mapei

New Enterprise Stone & Lime

Owens Corning

Totalenergies Holdings Usa

Show all 6

Valero Energy

EPA-registered importers (13)

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

Cie Gen Des Ets Michelin · FR France

Irving Oil · CA Canada

Sika Ag · CH Switzerland

Total Se · FR France

Alm Holding

Show all 13

Brenntag Lubricants

Cenovus U.S

Gunvor Usa

Holcim Participations (Us)

Irving Oil Energy

Michelin

Sika

Total Holdings Usa

Why It Matters

Sectors

ConstructionMetals & MiningPlastics & Rubber

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 2 functional roles.

•Binder in Asphalt Paving, Roofing, and Coating Materials Manufacturing (100%)Processing—incorporation into article
•Softener and conditioner in Synthetic Rubber Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS8052-42-4

PubChem CIDNot recorded

DTXSIDDTXSID1027710

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID1027710Retrieved 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

Asphalt (CAS 8052-42-4) https://chemicalindependence.com/chemical/8052-42-4/ EPA CompTox (DSSTox): DTXSID1027710. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID1027710 EPA Chemical Data Reporting: 8052-42-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 8052-42-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 271320 for CAS 8052-42-4. Reporting year: 2024. https://usatrade.census.gov/