Description

2,2,6,6-Tetramethyl-4-(3-Picrylamino)Piperidine n-Oxide is a specialized nitroxide radical compound, also known as a piperidine nitroxide derivative. This compound is valued for its stable free radical properties, making it a critical component in advanced material science and research applications. It is primarily utilized by R&D chemists and material scientists working on polymer stabilization, spin labeling, and as a catalyst or mediator in controlled radical polymerization processes.

Application

• Polymer Stabilizer: Acts as a highly effective light and thermal stabilizer (HALS - Hindered Amine Light Stabilizer) for engineering plastics and high-performance polymers.
• Spin Labeling Agent: Used in Electron Paramagnetic Resonance (EPR) spectroscopy as a stable spin probe for studying molecular dynamics and structure in biological systems and soft materials.
• Controlled Radical Polymerization: Serves as a mediator or catalyst in Nitroxide-Mediated Polymerization (NMP), enabling the synthesis of polymers with precise architecture and controlled molecular weight.
• Antioxidant Research: Employed in studies investigating radical scavenging mechanisms and the development of new antioxidant formulations.
• Advanced Material Synthesis: A key building block in the development of functional organic materials, including molecular magnets and redox-active compounds.
• Pharmaceutical Intermediates: Used in the research and synthesis of complex pharmaceutical molecules where its stable radical center can be leveraged for specific reactivity.

Basic Information

Product Name	2,2,6,6-Tetramethyl-4-(3-Picrylamino)Piperidine n-Oxide
CAS No.	115044-44-5
Molecular Formula	C16H24N6O7
Molecular Weight	412.40 g/mol
Synonyms	4-(2,4,6-Trinitroanilino)-2,2,6,6-tetramethylpiperidine-1-oxyl; 4-(3-Picrylamino)-TEMPO; Picrylamino-TEMPO; 4-(2,4,6-Trinitrophenylamino)-TEMPO; 1-Oxyl-2,2,6,6-tetramethyl-4-(3-picrylamino)piperidine; TEMPO-Picrylamine derivative; Nitroxyl radical with picryl group; Stable free radical 115044-44-5
EINECS	Contact for details

Quality Control

Our 2,2,6,6-Tetramethyl-4-(3-Picrylamino)Piperidine n-Oxide is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity, essential for sensitive research and material applications. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to ISO 9001 quality management standards, and our analytical methods, including HPLC and EPR, are validated to provide reliable specification data.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, handling and packaging should minimize exposure to direct light.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Identification (EPR)	Characteristic triplet signal
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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