Description

4-(N,N,n-Trimethylamino)-2,2,6,6-Tetramethylpiperidine-1-Oxyl is a stable nitroxide radical, widely recognized as a versatile spin label and catalyst. Its primary value lies in its persistent radical nature, making it an essential tool in polymer chemistry and materials science for controlling polymerization processes and studying molecular dynamics. This compound is critical for R&D and production teams in the polymer, pharmaceutical, and advanced materials industries seeking to develop products with enhanced properties and performance.

Application

• Polymerization Control Agent: Acts as a mediator in Nitroxide-Mediated Polymerization (NMP) for producing polymers with controlled architecture and narrow molecular weight distribution.
• Spin Labeling Reagent: Used in Electron Paramagnetic Resonance (EPR) spectroscopy to probe the structure, dynamics, and local environment of biomolecules and synthetic polymers.
• Oxidation Catalyst: Employed in selective oxidation reactions in organic synthesis and industrial chemical processes.
• Antioxidant & Stabilizer: Functions as a radical scavenger to inhibit oxidative degradation in plastics, fuels, and lubricants, extending product lifespan.
• MRI Contrast Agent Research: Investigated for use in developing next-generation contrast agents for magnetic resonance imaging (MRI).
• Material Science Research: Utilized in the development of organic magnets, conductive polymers, and other functional materials.

Basic Information

Product Name	4-(N,N,n-Trimethylamino)-2,2,6,6-Tetramethylpiperidine-1-Oxyl
CAS No.	64486-64-2
Molecular Formula	C12H25N2O•+
Molecular Weight	213.34 g/mol
Synonyms	4-(Trimethylammonio)-2,2,6,6-tetramethylpiperidine-1-oxyl; 4-(N,N,N-Trimethylammonium)-2,2,6,6-tetramethylpiperidine-1-oxyl chloride; TEMPO-Choline; 4-(N,N,N-Trimethylamino)-TEMPO; Choline-TEMPO; 1-Oxyl-2,2,6,6-tetramethyl-4-(trimethylammonio)piperidine; 4-Trimethylammoniopiperidine-N-oxyl; Stable nitroxyl radical catalyst
EINECS	Contact for details

Quality Control

Our production of 4-(N,N,n-Trimethylamino)-2,2,6,6-Tetramethylpiperidine-1-Oxyl adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity, EPR for radical content verification, and NMR for structural confirmation. We provide a detailed Certificate of Analysis (COA) with each shipment, ensuring traceability and compliance with your specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation and degradation. Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Radical Content (EPR)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.