Description

Acetonitrile, [(4-Hydroxy-2,2,6,6-Tetramethyl-1-Piperidinyl)Oxy]- (9Ci) is a specialized nitroxide radical precursor, a key intermediate in the synthesis of hindered amine light stabilizers (HALS) and other functional materials. This compound matters for its role in imparting exceptional thermal and UV stability to high-performance polymers, significantly extending their service life. It is primarily needed by R&D chemists and manufacturers in the polymer additives, advanced material science, and specialty chemical synthesis sectors.

Application

• Polymer Additives: As a crucial synthetic intermediate for manufacturing high-efficiency Hindered Amine Light Stabilizers (HALS).
• Advanced Material Science: Used in the research and development of novel nitroxide-mediated polymerization (NMP) agents and radical-based functional materials.
• Antioxidant Synthesis: Serves as a building block for creating complex antioxidant molecules used in plastics, coatings, and lubricants.
• Pharmaceutical Intermediates: Potential use in the synthesis of pharmacologically active compounds containing stable nitroxide radicals.
• Research & Development: A valuable tool for academic and industrial research in organic synthesis, polymer chemistry, and radical chemistry studies.

Basic Information

Item	Details
Product Name	Acetonitrile, [(4-Hydroxy-2,2,6,6-Tetramethyl-1-Piperidinyl)Oxy]- (9Ci)
CAS No.	828933-29-5
Molecular Formula	C11H20N2O2
Molecular Weight	212.29 g/mol
Synonyms	1-Oxy-2,2,6,6-tetramethyl-4-hydroxypiperidine-1-acetonitrile; 4-Hydroxy-TEMPO acetonitrile; TEMPO-CH2CN derivative; [(4-Hydroxy-2,2,6,6-tetramethylpiperidin-1-yl)oxy]acetonitrile; 1-Acetonitriloxy-4-hydroxy-2,2,6,6-tetramethylpiperidine; Nitroxide radical precursor; HALS intermediate; Acetonitrile, [(4-hydroxy-2,2,6,6-tetramethyl-1-piperidinyl)oxy]-
EINECS	Contact for details

Quality Control

Our production of Acetonitrile, [(4-Hydroxy-2,2,6,6-Tetramethyl-1-Piperidinyl)Oxy]- adheres to stringent quality management protocols. Each batch is characterized and tested to ensure high chemical purity and structural integrity, critical for consistent performance in downstream synthesis. Certificates of Analysis (COA) detailing purity, assay, and identity are provided with every shipment.

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). This compound is hygroscopic (moisture-sensitive); ensure containers are sealed tightly after use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%

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