Description

Nitroxide, p-tert-Butylphenyl (8Ci) is a specialized nitroxide radical compound, a key intermediate in organic synthesis and polymer science. Its stable radical nature makes it highly valuable as a polymerization regulator, spin label, and catalyst component. This product is essential for researchers and manufacturers in the polymer, pharmaceutical, and advanced materials industries seeking precise control over molecular weight and radical-mediated processes.

Application

• Polymerization Regulator (RAFT/MADIX Agent): Acts as a controlling agent in reversible addition-fragmentation chain-transfer (RAFT) polymerization for producing polymers with narrow molecular weight distribution.
• Spin Labeling & EPR Studies: Used as a stable radical probe in electron paramagnetic resonance (EPR) spectroscopy for studying molecular dynamics and structure in biological and synthetic systems.
• Organic Synthesis Intermediate: Serves as a key building block for synthesizing more complex nitroxide derivatives and functional materials.
• Antioxidant & Stabilizer Research: Investigated for its radical scavenging properties in the development of new stabilizers for polymers and lubricants.
• Catalyst Component: Employed in oxidation catalysts and as a co-catalyst in various organic transformations.
• Material Science: Used in the fabrication of organic magnets, molecular switches, and other advanced functional materials.

Basic Information

Product Name	Nitroxide, p-tert-Butylphenyl (8Ci)
CAS No.	17119-83-4
Molecular Formula	C14H20NO
Molecular Weight	218.32 g/mol
Synonyms	2,2,6,6-Tetramethyl-4-(4-tert-butylphenoxy)piperidin-1-oxyl; 4-(4-tert-Butylphenoxy)-2,2,6,6-tetramethylpiperidine-1-oxyl; 4-(p-tert-Butylphenoxy)-TEMPO; TEMPO derivative, p-tert-butylphenyl; p-tert-Butylphenyl-TEMPO; 4-(4-tert-Butylphenoxy)-TEMPO; Nitroxyl radical, p-tert-butylphenyl derivative; (1-Oxyl-2,2,6,6-tetramethylpiperidin-4-yl) 4-tert-butylphenyl ether
EINECS	Contact for details

Quality Control

Our Nitroxide, p-tert-Butylphenyl (8Ci) is produced under strict quality protocols to ensure batch-to-batch consistency and high purity suitable for research and industrial applications. Each lot is analyzed using advanced techniques including HPLC, NMR, and EPR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and radical content is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from strong reducing agents and excessive heat. For long-term storage, consider refrigeration at 2-8°C.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Radical Content (EPR)	≥ 95.0%
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.