Description

Bis(2,2,6,6-Tetramethyl-4-Piperidyl)Succinate is a high-performance hindered amine light stabilizer (HALS) essential for protecting polymers from UV-induced degradation. This compound matters because it effectively scavenges free radicals, significantly extending the service life and maintaining the mechanical properties and color of plastics exposed to sunlight and weathering. Industries such as automotive, packaging, construction, and agriculture rely on this additive to ensure the long-term durability of their polyolefin, engineering plastic, and coating formulations.

Application

• Primary UV stabilizer for polypropylene (PP) and polyethylene (PE) films, fibers, and molded articles.
• Critical additive in automotive plastics for interior and exterior components to prevent fading and embrittlement.
• Enhances weatherability in agricultural films and greenhouse covers, protecting crops and extending film lifespan.
• Used in industrial and architectural coatings to maintain gloss and prevent chalking.
• Stabilizer for engineering plastics like polyamide and thermoplastic polyurethane (TPU) in demanding environments.
• Protective additive in synthetic fibers and outdoor fabrics, including tarpaulins and geotextiles.
• Formulation component for masterbatches and concentrates to ensure homogeneous dispersion in final polymer products.

Basic Information

Product Name	Bis(2,2,6,6-Tetramethyl-4-Piperidyl)Succinate
CAS No.	62782-03-0
Molecular Formula	C26H48N2O4
Molecular Weight	452.68 g/mol
Synonyms	Bis(2,2,6,6-tetramethyl-4-piperidyl) succinate; Succinic acid bis(2,2,6,6-tetramethyl-4-piperidinyl) ester; Bis(1,2,2,6,6-pentamethyl-4-piperidyl) succinate (common misnomer); HALS 770; Tinuvin 770; Light Stabilizer 770; UV-770; Low Molecular Weight HALS; LS-770; Bis(2,2,6,6-tetramethylpiperidin-4-yl) succinate
EINECS	263-824-7

Quality Control

Our Bis(2,2,6,6-Tetramethyl-4-Piperidyl)Succinate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for assay and purity, to ensure it meets the high standards required for polymer stabilization. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and physical properties is provided with each shipment to guarantee traceability and consistency for your production processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, open flames, and incompatible materials. The product 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)	≥ 98.5%
Melting Point	80 - 85 °C
Loss on Drying	≤ 0.5%
Ash Content	≤ 0.1%
Transmittance (425nm)	≥ 95%
Transmittance (500nm)	≥ 97%

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