Description

Hexahydro-n-(2,2,6,6-Tetramethyl-4-Piperidyl)-3,6-Methanophthalimide is a high-performance hindered amine light stabilizer (HALS) intermediate. This compound is critical for enhancing the durability and longevity of polymers by effectively scavenging free radicals generated by UV exposure. It is primarily needed by manufacturers in the plastics, coatings, and synthetic fiber industries seeking to produce high-quality, weather-resistant materials. Our supply ensures consistent purity and reliable performance for your formulation needs.

Application

• Primary intermediate for the synthesis of advanced polymeric Hindered Amine Light Stabilizers (HALS).
• Used in the stabilization of polyolefins (PP, PE) against UV degradation and thermal oxidation.
• Essential component in formulations for automotive coatings and exterior paints to prevent gloss loss and chalking.
• Incorporated into engineering plastics and synthetic fibers to extend service life in outdoor applications.
• Applied in agricultural films and greenhouse covers to improve weatherability.
• Used in the production of adhesives and sealants requiring enhanced environmental resistance.

Basic Information

Product Name	Hexahydro-n-(2,2,6,6-Tetramethyl-4-Piperidyl)-3,6-Methanophthalimide
CAS No.	84540-28-3
Molecular Formula	C20H30N2O2
Molecular Weight	330.47 g/mol
Synonyms	1,2,3,6-Tetrahydro-N-(2,2,6,6-tetramethyl-4-piperidinyl)-3,6-methanophthalimide; 3,6-Methanophthalimide, 1,2,3,6-tetrahydro-N-(2,2,6,6-tetramethyl-4-piperidinyl)-; HALS Intermediate 84540-28-3; UV-3853; N-(2,2,6,6-Tetramethyl-4-piperidyl)-hexahydro-3,6-methanophthalimide; Light Stabilizer Intermediate 84540-28-3
EINECS	Contact for details

Quality Control

Our production of Hexahydro-n-(2,2,6,6-Tetramethyl-4-Piperidyl)-3,6-Methanophthalimide adheres to stringent quality management systems. Every batch undergoes rigorous analytical testing, including HPLC and GC, to ensure high purity and consistency. Certificates of Analysis (COA) detailing assay, identity, and impurity profiles are provided with each shipment to support your quality assurance and regulatory compliance 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. Under these conditions, the product remains stable for extended periods.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	118 - 122 °C
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.