Description

N,α-Diphenyl Nitrone is a versatile organic compound belonging to the nitrone class, widely recognized as a spin trap in electron paramagnetic resonance (EPR) spectroscopy. Its primary value lies in its ability to react with and stabilize short-lived free radicals, enabling their detection and study in complex chemical and biological systems. This makes it an essential research chemical for scientists and engineers in the fields of polymer chemistry, materials science, pharmaceutical development, and mechanistic organic chemistry, where understanding radical-mediated processes is critical.

Application

• Spin Trapping Agent: The predominant application is as a spin trap in EPR/ESR spectroscopy for the detection and identification of transient free radicals in chemical reactions, biological systems, and material degradation studies.
• Polymer Chemistry Research: Used to study radical polymerization mechanisms, monitor initiator efficiency, and investigate the stability and degradation pathways of polymers.
• Pharmaceutical & Biochemical Research: Employed to trap and characterize reactive oxygen species (ROS) and other radicals involved in oxidative stress, drug metabolism, and disease mechanisms.
• Organic Synthesis Intermediate: Serves as a valuable building block or intermediate in the synthesis of more complex nitrogen-containing heterocycles and other specialty chemicals.
• Materials Science: Applied in the research of radical processes in catalysts, coatings, and advanced materials to improve performance and longevity.
• Antioxidant Activity Studies: Utilized as a standard or tool compound in assays designed to evaluate the radical-scavenging potential of novel antioxidants.

Basic Information

Item	Details
Product Name	N,α-Diphenyl Nitrone
CAS No.	1137-96-8
Molecular Formula	C₁₃H₁₁NO
Molecular Weight	197.24 g/mol
Synonyms	α-Phenyl-N-phenylnitrone; PBN (common abbreviation); N-Benzylideneaniline N-oxide; Nitrone, diphenyl-; 1,1-Diphenylnitrone; N-Benzylidenebenzenamine N-oxide; Benzenamine, N-(phenylmethylene)-, N-oxide
EINECS	214-516-8

Quality Control

Our N,α-Diphenyl Nitrone is produced and handled under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity assessment and spectroscopic methods (IR, NMR) for identity confirmation, to ensure it meets the high standards required for research applications. A Certificate of Analysis (COA) detailing specific results 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 (typically 15-25°C). This compound is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Yellow to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	113 - 117 °C
Loss on Drying	≤ 0.5%

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