Description

n-4-(2,2,6,6-Tetramethyl-1-Oxyl)Piperidinyl-N'-4-(4'-Nitro-2,2'-Stilbenedisulfonic Acid)Thiourea is a specialized bifunctional compound that combines a stable nitroxyl radical (TEMPO) with a stilbene-based chromophore. This unique structure makes it a valuable intermediate and functional material for advanced research and industrial applications. It is primarily sought after by researchers and manufacturers in the fields of polymer science, advanced material synthesis, and as a potential spin label or probe in analytical chemistry.

Application

• Polymer Stabilizer & Modifier: Acts as a radical scavenger and functional co-monomer to enhance the thermal and oxidative stability of polymers.
• Advanced Material Synthesis: Serves as a key intermediate for creating novel functional materials, including conductive polymers and smart coatings.
• Spin Labeling & ESR Probes: Utilized in Electron Spin Resonance (ESR) spectroscopy as a stable nitroxide radical probe for studying molecular dynamics and structure.
• Photochemical Research: The stilbene disulfonic acid moiety provides photosensitive properties, useful in light-initiated chemical processes and studies.
• Bioconjugation & Labeling: Potential use in attaching reporter groups to biomolecules for detection and analysis due to its reactive thiourea and sulfonic acid groups.
• Chemical Synthesis Intermediate: Employed in organic synthesis to introduce both radical and chromophore functionalities into target molecules.

Basic Information

Product Name	n-4-(2,2,6,6-Tetramethyl-1-Oxyl)Piperidinyl-N'-4-(4'-Nitro-2,2'-Stilbenedisulfonic Acid)Thiourea
CAS No.	86879-33-6
Molecular Formula	C24H29N4O9S3
Molecular Weight	613.70 g/mol
Synonyms	4-(2,2,6,6-Tetramethylpiperidin-1-oxyl)-4'-(4-nitrostilbene-2,2'-disulfonyl)thiourea; TEMPO-Stilbene Disulfonate Thiourea; Nitroxyl Radical Stilbene Derivative; 86879-33-6; 4-[(4-Nitro-2,2'-stilbenedisulfonyl)amino]-2,2,6,6-tetramethylpiperidine-1-oxyl; N-(2,2,6,6-Tetramethyl-1-oxyl-4-piperidinyl)-N'-[4-(4-nitro-2,2'-stilbenedisulfonyl)]thiourea
EINECS	Contact for details

Quality Control

Our production of n-4-(2,2,6,6-Tetramethyl-1-Oxyl)Piperidinyl-N'-4-(4'-Nitro-2,2'-Stilbenedisulfonic Acid)Thiourea adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and ESR spectroscopy to confirm identity, purity, and radical content. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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). Due to its hygroscopic and easily oxidized nature, it is recommended to store the product under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation and to minimize moisture uptake.

Specification

Item	Specification
Appearance	Orange to reddish-brown powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Radical Content (ESR)	≥ 90% of theoretical
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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