Description

(2,2,6,6-Tetramethyl-4-Acetoxypiperidine-1-Yloxy)Radical is a stable nitroxide radical, widely recognized as a key intermediate and a versatile building block in organic synthesis and polymer science. Its primary value lies in its role as a precursor for hindered amine light stabilizers (HALS) and as a mediator in controlled radical polymerization processes. This compound is essential for manufacturers in the polymer, coatings, and specialty chemical industries seeking to enhance material durability and develop advanced polymeric architectures.

Application

• Hindered Amine Light Stabilizer (HALS) Synthesis: A critical precursor for manufacturing high-performance HALS, which protect polymers from UV degradation in automotive coatings, agricultural films, and construction materials.
• Controlled/Living Radical Polymerization: Serves as a mediator or initiator in techniques like Nitroxide-Mediated Polymerization (NMP) for producing polymers with precise molecular weights and architectures.
• Polymer Modification & Functionalization: Used to introduce stable nitroxide functionalities into polymer chains for subsequent grafting or cross-linking reactions.
• Spin Labeling & Biomedical Research: Employed in Electron Paramagnetic Resonance (EPR) spectroscopy as a spin label for studying molecular dynamics and structures in biological systems.
• Antioxidant & Stabilizer Intermediate: Acts as an intermediate in the production of antioxidants and stabilizers for plastics, lubricants, and fuels.
• Organic Synthesis Building Block: Utilized in the synthesis of complex organic molecules, including pharmaceuticals and agrochemicals, where its stable radical center enables unique reaction pathways.

Basic Information

Product Name	(2,2,6,6-Tetramethyl-4-Acetoxypiperidine-1-Yloxy)Radical
CAS No.	6599-87-7
Molecular Formula	C11H20NO3
Molecular Weight	214.28 g/mol
Synonyms	4-Acetoxy-2,2,6,6-tetramethylpiperidine-1-oxyl; 4-Acetoxy-TEMPO; 4-Acetoxy-2,2,6,6-tetramethylpiperidin-1-yloxy; Acetoxy-TEMPO; 4-Acetoxy-TEMPO radical; 1-Oxyl-4-acetoxy-2,2,6,6-tetramethylpiperidine; 4-Acetoxy-2,2,6,6-tetramethylpiperidine-N-oxyl; TEMPOL acetate
EINECS	Contact for details

Quality Control

Our (2,2,6,6-Tetramethyl-4-Acetoxypiperidine-1-Yloxy)Radical is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

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, prolonged exposure to light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details

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