Description

4-Acetamido-Tempo is a stable nitroxyl radical derivative, widely recognized for its role as a spin label and spin trap in electron paramagnetic resonance (EPR) spectroscopy. This compound is essential for studying free radical processes, oxidative stress, and molecular dynamics in complex chemical and biological systems. It is a critical reagent for researchers and manufacturers in the fields of polymer chemistry, materials science, and life sciences, where precise radical detection and control are paramount.

Application

• Spin Labeling in EPR/ESR Spectroscopy: Used as a stable radical probe to investigate molecular structure, dynamics, and interactions in polymers, proteins, and membranes.
• Polymerization Control Agent: Serves as a mediator in controlled radical polymerization processes, such as nitroxide-mediated polymerization (NMP), to produce polymers with well-defined architectures.
• Antioxidant & Radical Scavenger Studies: Acts as a model compound or a standard in research focused on antioxidant activity, oxidative damage, and free radical scavenging mechanisms.
• Biomedical Research: Employed in studying redox biology, lipid peroxidation, and as a contrast agent or probe in magnetic resonance imaging (MRI) related research.
• Materials Science: Utilized in the development of organic magnetic materials, molecular electronics, and as a dopant to modify the electronic properties of materials.
• Chemical Synthesis Intermediate: Functions as a building block or precursor for synthesizing more complex nitroxide derivatives and functional molecules.

Basic Information

Product Name	4-Acetamido-Tempo
CAS No.	14691-89-5
Molecular Formula	C11H21N2O2
Molecular Weight	213.30 g/mol
Synonyms	4-Acetamido-2,2,6,6-tetramethylpiperidine-1-oxyl; 4-Acetamido-TEMPO; 4-Acetamido-2,2,6,6-tetramethylpiperidin-1-yloxy; 1-Oxyl-4-acetamido-2,2,6,6-tetramethylpiperidine; 4-Acetamido-TEMPO radical; Acetamido-TEMPO; 4-(Acetylamino)-TEMPO; N-Acetyl-4-amino-TEMPO
EINECS	Contact for details

Quality Control

Our 4-Acetamido-Tempo is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including HPLC for assay and purity verification. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and related substances is provided with each batch to support your research and quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C) under an inert atmosphere, as the compound is easily oxidized. Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
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.