Description

3-Dodecyl-1-(2,2,6,6-Tetramethyl-4-Piperidyl)Pyrrolidine-2,5-Dione is a high-performance hindered amine light stabilizer (HALS) and antioxidant, critical for protecting polymers from degradation caused by UV radiation and thermal oxidation. Its molecular structure provides exceptional long-term stability, making it a key additive for extending the service life and maintaining the mechanical properties of sensitive materials. This compound is essential for formulators and manufacturers in the plastics, coatings, and synthetic fiber industries who require robust protection against environmental stressors.

Application

• Polymer Stabilization: Primary use as a light and heat stabilizer in polyolefins (PP, PE), engineering plastics, and synthetic rubbers to prevent chain scission and discoloration.
• Automotive & Industrial Coatings: Incorporated into automotive clear coats, industrial paints, and powder coatings to enhance weatherability and gloss retention.
• Agricultural Films: Protects greenhouse films, mulch films, and silage covers from solar UV degradation, ensuring extended functional lifetime.
• Adhesives & Sealants: Improves the durability of polyurethane, silicone, and other polymer-based adhesives exposed to outdoor conditions.
• Synthetic Fibers: Used in the spin finish or bulk polymerization of polypropylene and nylon fibers to prevent strength loss and yellowing.
• Masterbatch Production: A key active component in concentrate form for easy dispersion and compounding with various polymer matrices.

Basic Information

Product Name	3-Dodecyl-1-(2,2,6,6-Tetramethyl-4-Piperidyl)Pyrrolidine-2,5-Dione
CAS No.	79720-19-7
Molecular Formula	C25H46N2O2
Molecular Weight	406.65 g/mol
Synonyms	Dodecyl HALS; 3-Dodecyl-1-(2,2,6,6-tetramethyl-4-piperidinyl)-2,5-pyrrolidinedione; N-Dodecyl-2,2,6,6-tetramethyl-4-piperidinyl succinimide; Light Stabilizer 770; LS 770; UV-770; Tinuvin 770 (analog); Ciba 770; Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate derivative (related).
EINECS	Contact for details

Quality Control

Our production of 3-Dodecyl-1-(2,2,6,6-Tetramethyl-4-Piperidyl)Pyrrolidine-2,5-Dione adheres to stringent quality management protocols to ensure batch-to-batch consistency and high performance. Every lot is analyzed against rigorous in-house specifications, which typically include identity confirmation, purity assay, and critical impurity profiling. Certificates of Analysis (COA) detailing all test results are provided and can be tailored to meet specific customer or regulatory requirements.

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 handled accordingly to maintain efficacy.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or flakes
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	81 - 85 °C
Loss on Drying	≤ 0.5%
Ash Content	≤ 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.