Description

Methyl 1,2,2,6,6-Pentamethyl-4-Piperidyl Sebacate is a high-performance hindered amine light stabilizer (HALS) that provides exceptional long-term protection against UV degradation for polymeric materials. This compound is critical for manufacturers seeking to enhance the durability, color retention, and service life of their products exposed to harsh environmental conditions. It is primarily needed by industries involved in the production of plastics, coatings, and synthetic fibers, where material integrity under sunlight is paramount.

Application

• As a primary light stabilizer in polyolefins (PP, PE) for automotive parts, agricultural films, and outdoor furniture.
• For UV protection in industrial and automotive coatings, including clearcoats and refinish paints.
• Enhancing the weathering resistance of engineering plastics used in construction materials and exterior components.
• Stabilization of synthetic fibers and textiles against photochemical degradation.
• In adhesives and sealants to prevent loss of elasticity and adhesion strength upon outdoor exposure.
• As a synergistic component in stabilization packages with antioxidants and UV absorbers for superior performance.

Basic Information

Product Name	Methyl 1,2,2,6,6-Pentamethyl-4-Piperidyl Sebacate
CAS No.	82919-37-7
Molecular Formula	C21H39NO4
Molecular Weight	369.54 g/mol
Synonyms	Methyl sebacate, 1,2,2,6,6-pentamethyl-4-piperidinyl ester; Bis(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate, methyl-substituted; Methyl-PMP Sebacate; HALS 770 Methyl Ester; Light Stabilizer 770 Methyl Ester; UV Stabilizer 82919-37-7; 4-Piperidinol, 1,2,2,6,6-pentamethyl-, methyl sebacate
EINECS	Contact for details

Quality Control

Our production of Methyl 1,2,2,6,6-Pentamethyl-4-Piperidyl Sebacate adheres to stringent quality management systems to ensure batch-to-batch consistency and high purity. The product is manufactured and tested in compliance with relevant industry standards. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment and is available upon request.

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. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white powder or flakes
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Ash Content	≤ 0.1%
Heavy Metals	≤ 10 ppm

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