Description

1-Oxyl-2,2,6,6-Tetramethyl 4-Piperidinyl Nicotinate is a stable nitroxyl radical compound, widely recognized as a highly effective and versatile hindered amine light stabilizer (HALS) intermediate. Its core value lies in its ability to scavenge free radicals generated by UV light exposure, thereby significantly enhancing the durability and lifespan of polymeric materials. This product is essential for formulators and manufacturers in the plastics, coatings, and synthetic fiber industries seeking to protect their products from photo-oxidative degradation.

Application

• As a key intermediate in the synthesis of high-performance Hindered Amine Light Stabilizers (HALS) for plastics and polymers.
• Used in the stabilization of polyolefins (e.g., PP, PE) against UV-induced cracking, chalking, and color fading.
• Incorporated into formulations for automotive coatings and industrial paints to improve gloss retention and prevent film degradation.
• Enhances the weatherability of engineering plastics and synthetic fibers used in outdoor applications.
• Acts as a radical scavenger in adhesive and sealant formulations to maintain performance under sunlight exposure.
• Employed in agricultural films to extend service life by preventing embrittlement caused by solar radiation.

Basic Information

Product Name	1-Oxyl-2,2,6,6-Tetramethyl 4-Piperidinyl Nicotinate
CAS No.	52286-91-6
Molecular Formula	C16H23N2O3
Molecular Weight	291.37 g/mol
Synonyms	4-Piperidinyl Nicotinate, 1-Oxyl-2,2,6,6-tetramethyl-; 2,2,6,6-Tetramethyl-4-piperidinyl nicotinate-1-oxyl; Nicotinic acid 2,2,6,6-tetramethyl-4-piperidinyl ester N-oxyl; TEMPO Nicotinate; 4-(Nicotinoyloxy)-2,2,6,6-tetramethylpiperidine-1-oxyl; HALS Intermediate 52286-91-6; Nitroxyl radical nicotinate ester
EINECS	Contact for details

Quality Control

Our production of 1-Oxyl-2,2,6,6-Tetramethyl 4-Piperidinyl Nicotinate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided and available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, containers should be kept in the original packaging or opaque containers until use.

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.