Description

Piperidine, 4-Ethoxy-2,2,6,6-Tetramethyl-, 1-Oxide (9Ci) is a specialized, high-purity nitroxyl radical precursor with the CAS number 145373-55-3. This compound is valued for its role as a key intermediate in the synthesis of stable nitroxide spin labels and mediators for controlled radical polymerization processes. It is essential for researchers and manufacturers in the advanced polymer, pharmaceutical, and materials science sectors who require precise molecular control and functional group stability.

Application

• Spin Label Synthesis: A critical building block for creating stable nitroxide radicals used in Electron Paramagnetic Resonance (EPR) spectroscopy for studying biomolecular structure and dynamics.
• Controlled Radical Polymerization (CRP): Serves as a mediator or initiator in Nitroxide-Mediated Polymerization (NMP), enabling the production of polymers with controlled architecture, molecular weight, and low polydispersity.
• Advanced Material Development: Used in the research and production of functional polymers, block copolymers, and smart materials with specific thermal or mechanical properties.
• Pharmaceutical Intermediate: Employed in the synthesis of complex molecules where the nitroxide moiety is utilized for its chemical properties or as a synthetic handle.
• Organic Synthesis & Catalysis: Acts as a versatile intermediate in organic transformations and as a ligand or catalyst component in oxidation reactions.

Basic Information

Product Name	Piperidine, 4-Ethoxy-2,2,6,6-Tetramethyl-, 1-Oxide (9Ci)
CAS No.	145373-55-3
Molecular Formula	C11H23NO2
Molecular Weight	201.31 g/mol
Synonyms	4-Ethoxy-2,2,6,6-tetramethylpiperidine 1-Oxide; 4-Ethoxy-TEMPO; 4-EtO-TEMPO; 1-Oxyl-4-ethoxy-2,2,6,6-tetramethylpiperidine; 4-Ethoxy-2,2,6,6-tetramethylpiperidin-1-oxyl; 4-Ethoxy-TEMPO radical; 4-Ethoxy-2,2,6,6-tetramethylpiperidine-N-oxyl
EINECS	Contact for details

Quality Control

Our production of Piperidine, 4-Ethoxy-2,2,6,6-Tetramethyl-, 1-Oxide (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and industrial applications. All materials are characterized by advanced analytical techniques including NMR, HPLC, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This compound is light-sensitive (store away from light) and may be hygroscopic (moisture-sensitive). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.