Description

2,2,6,6-Tetramethyl-1-Nitrosopiperidin-4-Ol is a nitroxyl radical precursor and a key intermediate in organic synthesis. This compound matters for its role in generating stable nitroxide radicals, which are essential as spin labels, polymerization regulators, and antioxidants. It is needed by researchers and manufacturers in the pharmaceutical, polymer science, and material chemistry industries for developing advanced functional materials and studying reaction mechanisms.

Application

• Nitroxide-Mediated Polymerization (NMP): Serves as a precursor for generating nitroxide radicals used as controlling agents in the synthesis of polymers with well-defined architectures.
• Spin Labeling and EPR Spectroscopy: Used to prepare spin labels for probing molecular dynamics, structure, and interactions in biological systems and soft materials via Electron Paramagnetic Resonance (EPR).
• Antioxidant Research: Acts as a model compound or intermediate in the development of novel nitroxide-based antioxidants and stabilizers for plastics, fuels, and lubricants.
• Organic Synthesis Intermediate: A versatile building block for the synthesis of more complex piperidine derivatives and heterocyclic compounds with potential biological activity.
• Catalysis: Can be utilized in the preparation of catalysts or catalytic systems for oxidation reactions and other organic transformations.

Basic Information

Product Name	2,2,6,6-Tetramethyl-1-Nitrosopiperidin-4-Ol
CAS No.	55556-90-6
Molecular Formula	C9H18N2O2
Molecular Weight	186.25 g/mol
Synonyms	4-Hydroxy-2,2,6,6-tetramethyl-1-nitrosopiperidine; 1-Nitroso-2,2,6,6-tetramethyl-4-piperidinol; 4-Hydroxy-TEMPO nitroxide precursor; 4-Hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl precursor; 4-Hydroxy-TEMPO amine N-oxide; 2,2,6,6-Tetramethyl-4-hydroxy-1-nitrosopiperidine; 4-Hydroxy-1-nitroso-2,2,6,6-tetramethylpiperidine
EINECS	Contact for details

Quality Control

Our 2,2,6,6-Tetramethyl-1-Nitrosopiperidin-4-Ol is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, containers should be amber-colored or stored in dark conditions.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.