Description

1,2,5,6-Tetrahydro-n-(2,2,6,6-Tetramethyl-4-Piperidyl)Phthalimide is a high-purity, hindered amine derivative that serves as a key intermediate in advanced synthesis. This compound matters for its role as a precursor to high-performance light stabilizers and other specialty additives, offering critical functionality in protecting materials from degradation. It is primarily needed by manufacturers in the polymer, coatings, and specialty chemical industries seeking to enhance product durability and longevity.

Application

• Primary intermediate for the synthesis of Hindered Amine Light Stabilizers (HALS) used in plastics and polymers.
• Key building block in the production of UV stabilizers for automotive coatings, agricultural films, and industrial paints.
• Precursor for advanced antioxidant systems in engineering plastics like polypropylene and polyethylene.
• Used in research and development of novel pharmaceutical intermediates with piperidine-based structures.
• Component in the formulation of specialty additives for synthetic fibers and textiles to improve weatherability.
• Starting material for photo-stabilizing agents in packaging materials to prevent discoloration and embrittlement.

Basic Information

Product Name	1,2,5,6-Tetrahydro-n-(2,2,6,6-Tetramethyl-4-Piperidyl)Phthalimide
CAS No.	79720-28-8
Molecular Formula	C₁₇H₂₆N₂O₂
Molecular Weight	290.40 g/mol
Synonyms	N-(2,2,6,6-Tetramethyl-4-piperidyl)-1,2,5,6-tetrahydrophthalimide; 4-(1,2,5,6-Tetrahydrophthalimido)-2,2,6,6-tetramethylpiperidine; HALS Intermediate; Tinuvin 770 Precursor; LS-770 Intermediate; 2,2,6,6-Tetramethyl-4-piperidyl 1,2,5,6-tetrahydrophthalimide; N-(2,2,6,6-Tetramethylpiperidin-4-yl)-3a,4,7,7a-tetrahydro-1H-isoindole-1,3(2H)-dione
EINECS	Contact for details

Quality Control

Our 1,2,5,6-Tetrahydro-n-(2,2,6,6-Tetramethyl-4-Piperidyl)Phthalimide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC and GC analysis, to ensure high chemical purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles 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 area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.5%
Melting Point	158 - 162 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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