Description

1-Hydroxy-2,2,6,6-tetramethyl-4-piperidinol is a high-purity piperidine derivative, widely recognized as a key intermediate and precursor in advanced organic synthesis. Its stable, hindered amine structure makes it a valuable building block for synthesizing light stabilizers, pharmaceuticals, and specialty polymers. This compound is essential for R&D chemists and production specialists in the polymer additives, pharmaceutical, and agrochemical industries seeking to develop products with enhanced stability and performance.

Application

• Polymer Additives: Primary intermediate for the synthesis of Hindered Amine Light Stabilizers (HALS), which protect plastics and coatings from UV degradation.
• Pharmaceutical Intermediates: Serves as a crucial building block in the synthesis of various active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the production of certain herbicides, pesticides, and plant growth regulators.
• Specialty Chemicals: Acts as a precursor for nitroxyl radicals and other functionalized amines used in catalysis and material science.
• Research & Development: A valuable reagent for academic and industrial research in organic chemistry and medicinal chemistry.

Basic Information

Product Name	1-Hydroxy-2,2,6,6-tetramethyl-4-piperidinol
CAS No.	22963-71-9
Molecular Formula	C9H19NO2
Molecular Weight	173.25 g/mol
Synonyms	1-Hydroxy-2,2,6,6-tetramethyl-4-piperidinol; 4-Hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl precursor; 2,2,6,6-Tetramethyl-4-piperidinol; 4-Hydroxy-2,2,6,6-tetramethylpiperidine; TEMPOH; HTMP; Nor-HALS intermediate
EINECS	Contact for details

Quality Control

Our 1-Hydroxy-2,2,6,6-tetramethyl-4-piperidinol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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