Description

1-Hydroxy-2,2,5,5-Tetramethyl-3-Imidazoline-4-Carboxal-Dehyde Hydrazone-3-Oxide is a specialized nitroxide-based compound, CAS NO 51973-32-1, valued for its role as a versatile spin trap and radical scavenger. Its stable radical character makes it a critical reagent for studying oxidative stress mechanisms and free radical reactions in complex systems. This chemical is essential for researchers and formulators in the pharmaceutical, polymer science, and advanced material development sectors.

Application

• Spin Trapping Agent: Used in Electron Paramagnetic Resonance (EPR) spectroscopy to detect and identify short-lived free radicals in biological and chemical systems.
• Polymer Stabilizer: Acts as an antioxidant and radical scavenger to inhibit degradation and extend the shelf life of polymers and plastics during processing and use.
• Biomedical Research: Employed in studies of oxidative stress, neurodegenerative diseases, and ischemia-reperfusion injury to understand radical-mediated damage pathways.
• Cosmetic & Personal Care Formulations: Incorporated into anti-aging and protective skincare products to neutralize free radicals generated by UV exposure.
• Lubricant & Fuel Additive: Serves as an antioxidant additive to prevent oxidation and sludge formation, enhancing the stability and performance of industrial oils and fuels.
• Material Science: Utilized in the development of advanced materials, including conductive polymers and organic electronic devices, to control radical-initiated polymerization and doping processes.

Basic Information

Product Name	1-Hydroxy-2,2,5,5-Tetramethyl-3-Imidazoline-4-Carboxal-Dehyde Hydrazone-3-Oxide
CAS No.	51973-32-1
Molecular Formula	C9H17N4O2
Molecular Weight	213.26 g/mol
Synonyms	4-Carboxy-2,2,5,5-tetramethyl-3-imidazoline-1-oxyl-3-oxide; 1-Hydroxy-2,2,5,5-tetramethyl-δ3-pyrroline-3-carboxaldehyde hydrazone-3-oxide; 4-Carboxy-TEMPO hydrazone; 4-Formyl-TEMPO hydrazone; Carboxy-PROXYL hydrazone; 3-Carbamoyl-2,2,5,5-tetramethylpyrrolidin-1-oxyl; Spin trap 4-Carboxy-TEMPO; 4-Carboxy-2,2,5,5-tetramethylimidazolidin-1-oxyl-3-oxide
EINECS	Contact for details

Quality Control

Our 1-Hydroxy-2,2,5,5-Tetramethyl-3-Imidazoline-4-Carboxal-Dehyde Hydrazone-3-Oxide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and EPR for radical content verification, to ensure it meets the high standards required for research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and assay is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and easily oxidized; for long-term storage, it is recommended to keep the container under an inert atmosphere such as nitrogen or argon. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 97.0%
Assay (EPR)	≥ 95.0%
Loss on Drying	≤ 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.