Description

4-(Ethenyloxy)-2,2,6,6-Tetramethyl-1-Piperidinyloxy is a stable nitroxyl radical compound, specifically a vinyl ether derivative of TEMPO. This product matters as a highly effective and versatile polymerization regulator and mediator, enabling precise control over molecular weight and polymer architecture in advanced material synthesis. It is primarily needed by R&D and production teams in the polymer industry for applications such as controlled radical polymerization (e.g., NMP, ATRP), as well as in organic synthesis as a catalyst or oxidizing agent.

Application

• Controlled/Living Radical Polymerization (CRP): Acts as a mediator in Nitroxide-Mediated Polymerization (NMP) for synthesizing well-defined polymers with controlled molecular weight and low polydispersity.
• Block Copolymer Synthesis: Enables the production of advanced block copolymers for specialty coatings, adhesives, and thermoplastic elastomers.
• Macromolecular Design: Used to create polymers with specific end-group functionality, star-shaped polymers, and other complex architectures.
• Organic Synthesis Catalyst: Serves as a catalyst for the selective oxidation of alcohols to aldehydes and ketones under mild conditions.
• Spin Labeling Agent: Utilized in biochemistry and biophysics as a stable radical for Electron Paramagnetic Resonance (EPR) spectroscopy studies of macromolecules.
• Polymer Stabilizer: Functions as a co-stabilizer or intermediate in the production of light and thermal stabilizers for plastics.
• Surface Modification: Facilitates the grafting of polymer chains onto surfaces to alter wettability, adhesion, or biocompatibility.
• Research & Development: A key reagent for academic and industrial research in polymer chemistry and material science.

Basic Information

Product Name	4-(Ethenyloxy)-2,2,6,6-Tetramethyl-1-Piperidinyloxy
CAS No.	98701-84-9
Molecular Formula	C11H20NO2
Molecular Weight	198.28 g/mol
Synonyms	4-Vinyloxy-TEMPO; 2,2,6,6-Tetramethyl-4-vinyloxypiperidine-1-oxyl; 4-(Vinyloxy)-2,2,6,6-tetramethylpiperidin-1-oxyl; TEMPO Vinyl Ether; 1-Oxyl-2,2,6,6-tetramethyl-4-vinyloxypiperidine; 4-Ethenyloxy-2,2,6,6-tetramethylpiperidine-1-oxyl; N-Oxyl-4-vinyloxy-2,2,6,6-tetramethylpiperidine
EINECS	Contact for details

Quality Control

Our 4-(Ethenyloxy)-2,2,6,6-Tetramethyl-1-Piperidinyloxy is manufactured under strict 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 polymerization and synthetic applications. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This compound is easily oxidized and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage and when dispensing to maintain stability and efficacy.

Specification

Item	Specification
Appearance	Orange to red crystalline powder or solid
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.