Description

1,2,3,6-Tetrahydro-n-(2,2,6,6-Tetramethyl-4-Piperidyl)-3,6-Methanophthalimide is a high-value, specialized organic intermediate belonging to the hindered amine class. This compound is critical for the synthesis of advanced light stabilizers and polymer additives that protect materials from UV degradation and thermal oxidation. It is primarily required by manufacturers in the polymer, plastics, coatings, and specialty chemical industries seeking to enhance the durability and lifespan of their products.

Application

• Primary Intermediate for Hindered Amine Light Stabilizers (HALS): Serves as the core building block for high-performance HALS, which are essential additives in automotive plastics, agricultural films, and industrial coatings.
• Polymer Additive Synthesis: Used in the manufacture of additives that prevent polymer chain scission and discoloration caused by UV radiation and heat.
• Advanced Coating Formulations: Incorporated into the production of stabilizers for automotive clear coats, industrial paints, and wood coatings to maintain gloss and prevent cracking.
• Stabilizer for Engineering Plastics: Key in formulating stabilizers for polypropylene (PP), polyethylene (PE), and other engineering plastics used in demanding outdoor applications.
• Research & Development: Utilized in academic and industrial R&D for developing new generations of photostabilizers and antioxidant systems.
• Specialty Chemical Manufacturing: Acts as a precursor for other nitrogen-containing heterocyclic compounds with potential applications in agrochemicals and pharmaceuticals.

Basic Information

Product Name	1,2,3,6-Tetrahydro-n-(2,2,6,6-Tetramethyl-4-Piperidyl)-3,6-Methanophthalimide
CAS No.	79720-27-7
Molecular Formula	C20H28N2O2
Molecular Weight	328.45 g/mol
Synonyms	3,6-Methano-1,2,3,6-tetrahydro-N-(2,2,6,6-tetramethyl-4-piperidinyl)phthalimide; 3,6-Methanophthalimide-1,2,3,6-tetrahydro-N-(2,2,6,6-tetramethyl-4-piperidyl); 4-(1,2,3,6-Tetrahydro-3,6-methanophthalimid-1-yl)-2,2,6,6-tetramethylpiperidine; HALS Intermediate; Tetramethylpiperidyl-substituted methanophthalimide; Light Stabilizer Intermediate 79720-27-7
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity. Quality is verified through comprehensive analytical techniques including HPLC, GC, and NMR. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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