2,2'-Azobis[2,4-dimethylvaleronitrile]

CAS 4419-11-8

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$50M

Top sourceIndonesia 23%

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 292700 · basket

EPA reports by year

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

These shares come from HS customs code 292700, which covers 89 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).

ID 23%IndonesiaJP 18%JapanMX 16%MexicoCN 13%ChinaKR 8%South Korea

Germany
United Kingdom
Switzerland
Belgium
Latvia
Ukraine

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.

Chemours

EPA-registered importers (1)

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

Fujifilm Wako Chemicals U.S.A

Why It Matters

Sectors

Plastics & RubberPaints & Coatings

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 3 sectors as 2 functional roles.

•Polymerization promoter in Plastics Product Manufacturing (100%)Processing as a reactant
•Process regulators in Plastics Material and Resin Manufacturing (50%)Processing as a reactant
•Process regulators in Paint and Coating Manufacturing (20%)Processing as a reactant

Chemical Identity

CAS4419-11-8

PubChem CID91537

DTXSIDDTXSID3044675

FormulaC14H24N4

Mol. Weight248.37 g/mol

SMILESCC(C)CC(C)(C#N)N=NC(C)(CC(C)C)C#N

Data Sources

EPA CompTox (DSSTox) · DTXSID3044675Retrieved 2026-04-06
PubChem · compound 91537Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

2,2'-Azobis[2,4-dimethylvaleronitrile] (CAS 4419-11-8) https://chemicalindependence.com/chemical/4419-11-8/ EPA CompTox (DSSTox): DTXSID3044675. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3044675 PubChem: 91537. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/91537 EPA Chemical Data Reporting: 4419-11-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 4419-11-8. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292700 for CAS 4419-11-8. Reporting year: 2024. https://usatrade.census.gov/