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2,2,6,6-Tetramethyl-4-piperidone 1-nitroxide

CAS 2896-70-0

EPA’s 2019 records show zero U.S. production of this chemical.

Molecular structure of 2896-70-0
US productionZero
Import value, 2024$1.3B
Top sourceChina 32%

EPA lists this chemical for 2019 but publishes zero or no volume for both production and imports.

Why supply is unknown

Production is reported production, not a complete census of factories. Production reporting year: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293339 · basket

EPA reports by year
2019
US production Zero · Imports Zero

These shares come from HS customs code 293339, which covers 397 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 32%ChinaIN 15%IndiaDE 10%GermanyBE 9%BelgiumCH 8%Switzerland
Domestic parents -- activity not disclosed (1)
Si Group Usa (Usaa)

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.

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

Chemical Identity

CAS2896-70-0
PubChem CIDNot recorded
DTXSIDDTXSID4044905
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

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Brief citations

2,2,6,6-Tetramethyl-4-piperidone 1-nitroxide (CAS 2896-70-0) https://chemicalindependence.com/chemical/2896-70-0/ EPA CompTox (DSSTox): DTXSID4044905. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4044905 EPA Chemical Data Reporting: 2896-70-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 2896-70-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293339 for CAS 2896-70-0. Reporting year: 2024. https://usatrade.census.gov/