Description

4-Hexanoyloxy-2,2,6,6-tetramethylpiperidinyl-1-oxy is a stable nitroxyl radical compound, widely recognized as a key intermediate and polymerization regulator. Its primary value lies in its role as a versatile building block for synthesizing advanced materials and as a mediator in controlled radical polymerization processes. This product is essential for R&D and production in the polymer, specialty chemical, and life sciences industries, where precise molecular control is required.

Application

• As a mediator (nitroxide) in Nitroxide-Mediated Polymerization (NMP) for producing controlled-architecture polymers.
• As a key synthetic intermediate for advanced organic materials and functionalized polymers.
• In the formulation of spin labels and probes for electron paramagnetic resonance (EPR) spectroscopy in biochemical research.
• As a stabilizer and antioxidant in polymer systems to inhibit thermal and oxidative degradation.
• For the development of advanced coatings, adhesives, and elastomers with tailored properties.
• In academic and industrial research exploring novel radical chemistry and material science.

Basic Information

Product Name	4-Hexanoyloxy-2,2,6,6-tetramethylpiperidinyl-1-oxy
CAS No.	56240-96-1
Molecular Formula	C15H28NO3
Molecular Weight	270.39 g/mol
Synonyms	4-(1-Oxohexyloxy)-2,2,6,6-tetramethylpiperidine-1-oxyl; 4-Caproyloxy-TEMPO; Hexanoyloxy-TEMPO; 4-(Hexanoyloxy)-2,2,6,6-tetramethylpiperidine-1-oxyl; 4-(1-Oxohexyloxy)-2,2,6,6-tetramethylpiperidin-1-yloxy; 4-Hexanoyloxy-TEMPO; TEMPO hexanoate ester; 2,2,6,6-Tetramethyl-4-(1-oxohexyloxy)piperidin-1-oxyl
EINECS	Contact for details

Quality Control

Our 4-Hexanoyloxy-2,2,6,6-tetramethylpiperidinyl-1-oxy is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC and NMR, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee compliance with your research and production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This compound is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen or argon. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Orange to red crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details

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