Description

n-(1,2,2,6,6-Pentamethyl-4-Piperidylidene)Hydroxylamine is a specialized hindered amine derivative that functions as a key intermediate and stabilizer. This compound is valued for its ability to act as a nitroxide precursor and a radical scavenger, providing critical stabilization in demanding environments. It is primarily utilized by manufacturers in the polymer, agrochemical, and specialty chemical industries seeking to enhance product longevity and performance.

Application

• Polymer Additive: Serves as a precursor for Hindered Amine Light Stabilizers (HALS) and Hindered Amine Stabilizers (HAS) to protect plastics and coatings from UV degradation and thermal oxidation.
• Chemical Intermediate: Used in the synthesis of more complex nitroxyl radicals and other advanced hindered amine derivatives for research and industrial applications.
• Agrochemical Stabilizer: Incorporated into formulations to improve the shelf-life and field stability of sensitive active ingredients.
• Rubber Industry: Acts as an antioxidant and anti-ozonant agent in synthetic rubber compounds to prevent cracking and aging.
• Fuel & Lubricant Additive: Employed as a stabilizer to inhibit gum formation and oxidative degradation in fuels and industrial lubricants.
• Research & Development: A valuable building block in organic synthesis and material science for developing new stabilizer systems and functional materials.

Basic Information

Product Name	n-(1,2,2,6,6-Pentamethyl-4-Piperidylidene)Hydroxylamine
CAS No.	6636-23-3
Molecular Formula	C10H20N2O
Molecular Weight	184.28 g/mol
Synonyms	4-Hydroxyamino-2,2,6,6-tetramethylpiperidine; 1,2,2,6,6-Pentamethyl-4-piperidinylidenehydroxylamine; 4-(Hydroxyamino)-2,2,6,6-tetramethylpiperidine; N-(2,2,6,6-Tetramethyl-4-piperidinylidene)hydroxylamine; HALS Intermediate; Nitroxide Precursor; Tetramethylpiperidine hydroxylamine derivative
EINECS	229-636-6

Quality Control

Our n-(1,2,2,6,6-Pentamethyl-4-Piperidylidene)Hydroxylamine is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance protocols.

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 material is easily oxidized and should be handled under an inert atmosphere (e.g., nitrogen) for long-term storage and during dispensing to maintain purity.

Specification

Item	Specification
Appearance	White to off-white 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.