2,2,6,6-Tetramethyl- 4-piperidinol

CAS 2403-88-5

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

Molecular structure of 2403-88-5
US productionCBI
Import value, 2024$1.3B
Top sourceChina 32%

At least one company claimed its 2019 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: 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 Confidential · Imports Confidential

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
EPA-registered importers (1)
Weylchem Us

Why It Matters

Sectors
HealthCore Chemicals
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 2 sectors as 1 functional role.

  • •Intermediate in All Other Chemical Product and Preparation Manufacturing (100%)Processing as a reactant
  • •Intermediate in Pharmaceutical and Medicine Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.04/gAaron Chemicals LLC
CountryHong Kong
Pack$19.00 / 500 g
Purity99%
Vendors22 available

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

Chemical Identity

CAS2403-88-5
PubChem CID75471
DTXSIDDTXSID3029655
FormulaC9H19NO
Mol. Weight157.25 g/mol
SMILESCC1(CC(CC(N1)(C)C)O)C

Data Sources

Brief citations

2,2,6,6-Tetramethyl- 4-piperidinol (CAS 2403-88-5) https://chemicalindependence.com/chemical/2403-88-5/ EPA CompTox (DSSTox): DTXSID3029655. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3029655 PubChem: 75471. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/75471 EPA Chemical Data Reporting: 2403-88-5. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 2403-88-5. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293339 for CAS 2403-88-5. Reporting year: 2024. https://usatrade.census.gov/