Description

Nitroxide, 2-Naphthalenyl (9Ci) is a stable nitroxide radical derivative of naphthalene, serving as a crucial building block and spin label in advanced material science and research. Its stable radical character makes it an essential component for studying polymer dynamics, as a mediator in controlled radical polymerization, and in the development of novel magnetic and electronic materials. This high-purity intermediate is primarily sought by R&D laboratories and chemical manufacturers specializing in polymer synthesis, organic electronics, and spin-labeling techniques for biochemical analysis. Consistent quality and reliable supply are paramount for ensuring reproducible experimental and production outcomes.

Application

• Polymer Science: Acts as a stable radical mediator and control agent in Nitroxide-Mediated Polymerization (NMP) and other controlled/living radical polymerization processes.
• Spin Labeling: Used as a paramagnetic spin label in Electron Paramagnetic Resonance (EPR) spectroscopy for probing molecular structure, dynamics, and interactions in polymers and biomolecules.
• Organic Electronics: Investigated as a component in the development of organic magnets, molecular switches, and other functional materials due to its stable radical nature.
• Antioxidant Research: Serves as a model compound in studies of radical scavenging activity and the mechanisms of oxidation inhibition.
• Chemical Synthesis: Utilized as a key synthetic intermediate for preparing more complex nitroxide radicals and functionalized naphthalene derivatives.
• Material Stabilization: Explored for its potential to inhibit degradation in polymers and other materials by trapping free radicals.

Basic Information

Product Name	Nitroxide, 2-Naphthalenyl (9Ci)
CAS No.	82928-42-5
Molecular Formula	C₁₀H₉NO•
Molecular Weight	159.19 g/mol
Synonyms	2-Naphthyl Nitroxide; 2-Naphthalenyl Nitroxide; Naphthalen-2-yl Nitroxide; 2-Nitroxidonaphthalene; TEMPO-Naphthyl Derivative; (2-Naphthyl)nitroxyl Radical; 1-Oxyl-2-naphthyl; Stable Radical 2-Naphthyl
EINECS	Contact for details

Quality Control

Our Nitroxide, 2-Naphthalenyl (9Ci) is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and high purity, critical for sensitive research and synthesis applications. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and EPR spectroscopy to confirm identity, purity, and radical content. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment. We support compliance with relevant research and development standards.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) to minimize oxidation and degradation. Keep the container in a cool, dry, and well-ventilated place, away from incompatible materials.

Specification

Item	Specification
Appearance	Orange to brown crystalline powder or solid
Identification (IR)	Conforms to structure
Identification (EPR)	Characteristic triplet signal
Assay (HPLC)	≥ 95%
Radical Content (EPR)	≥ 90%
Melting Point	Contact for details
Residual Solvents (GC)	Meets ICH guidelines

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