Description

1-(2,2,6,6-Tetramethylpiperidin-4-Yl)-1H-Pyrrole-2,5-Dione is a high-purity, specialized heterocyclic compound that serves as a critical building block and intermediate in advanced organic synthesis. Its unique sterically hindered amine structure combined with a maleimide moiety makes it a valuable precursor for synthesizing high-performance light stabilizers and polymer additives. This product is essential for R&D chemists and manufacturers in the polymer, specialty chemical, and pharmaceutical industries seeking to develop materials with enhanced durability and stability.

Application

• Polymer Additive Synthesis: A key intermediate in the production of Hindered Amine Light Stabilizers (HALS), which protect polymers from UV degradation.
• Advanced Material Development: Used in the research and manufacture of specialty polymers, coatings, and resins requiring superior weatherability and longevity.
• Pharmaceutical Intermediates: Serves as a versatile building block for creating novel active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Organic Synthesis & Research: A valuable reagent for academic and industrial R&D in organic chemistry, particularly for constructing complex nitrogen-containing heterocycles.
• Agrochemical Formulations: Employed in the synthesis of advanced crop protection agents and stabilizers for agricultural formulations.

Basic Information

Product Name	1-(2,2,6,6-Tetramethylpiperidin-4-Yl)-1H-Pyrrole-2,5-Dione
CAS No.	84540-25-0
Molecular Formula	C13H20N2O2
Molecular Weight	236.31 g/mol
Synonyms	1-(2,2,6,6-Tetramethyl-4-piperidinyl)-1H-pyrrole-2,5-dione; 4-Maleimido-2,2,6,6-tetramethylpiperidine; 1-(2,2,6,6-Tetramethylpiperidin-4-yl)-1H-pyrrole-2,5-dione; 4-Maleimido-TEMPO precursor; N-(2,2,6,6-Tetramethyl-4-piperidinyl)maleimide; 1-(2,2,6,6-Tetramethyl-4-piperidyl)-1H-pyrrole-2,5-dione; 4-Maleimido-2,2,6,6-tetramethylpiperidine; Maleimide-TEMPO derivative
EINECS	Contact for details

Quality Control

Our 1-(2,2,6,6-Tetramethylpiperidin-4-Yl)-1H-Pyrrole-2,5-Dione is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including HPLC, GC, and NMR, to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (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.