Description

Bis[2,2,6,6-Tetramethyl-1-(Oxoallyl)-4-Piperidyl] Bis[[3,5-Bis(1,1-Dimethylethyl)-4-Hydroxyphenyl]Methyl]Malonate is a high-performance, multifunctional hindered amine light stabilizer (HALS) and antioxidant designed for superior polymer protection. This compound matters because it offers exceptional long-term thermal and UV stability, preventing degradation and extending the service life of sensitive materials. It is critically needed by formulators and manufacturers in the plastics, coatings, and synthetic fiber industries who require advanced stabilization for high-value products.

Application

• Polymer Stabilization: Primary use as a light and heat stabilizer in polyolefins (PP, PE), engineering plastics, and synthetic fibers to prevent photo-oxidative degradation.
• Automotive Components: Protection of interior and exterior plastic parts, such as dashboards, bumpers, and trim, from UV-induced fading and embrittlement.
• Industrial and Agricultural Films: Extending the durability of greenhouse films, mulch films, and protective packaging exposed to harsh sunlight.
• Coatings and Paints: Enhancing the weatherability and gloss retention of industrial, automotive, and architectural coatings.
• Adhesives and Sealants: Improving the long-term performance and color stability of high-performance adhesive systems.
• Wire and Cable Insulation: Stabilizing polymer jacketing against thermal and environmental stress for extended operational life.

Basic Information

Product Name	Bis[2,2,6,6-Tetramethyl-1-(Oxoallyl)-4-Piperidyl] Bis[[3,5-Bis(1,1-Dimethylethyl)-4-Hydroxyphenyl]Methyl]Malonate
CAS No.	63941-39-9
Molecular Formula	C58H84N2O10
Molecular Weight	945.3 g/mol
Synonyms	Bis(1-allyl-2,2,6,6-tetramethyl-4-piperidyl) [[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]propanedioate; Bis(1-allyl-2,2,6,6-tetramethylpiperidin-4-yl) [[3,5-di-tert-butyl-4-hydroxyphenyl]methyl]malonate; Tinuvin 144; Light Stabilizer 144; LS 144; HALS 144; BIS(1-ALLYL-2,2,6,6-TETRAMETHYLPIPERID-4-YL) [[3,5-DI-TERT-BUTYL-4-HYDROXYPHENYL]METHYL]MALONATE
EINECS	Contact for details

Quality Control

Our production of Bis[2,2,6,6-Tetramethyl-1-(Oxoallyl)-4-Piperidyl] Bis[[3,5-Bis(1,1-Dimethylethyl)-4-Hydroxyphenyl]Methyl]Malonate adheres to stringent quality management systems. Every batch undergoes rigorous analytical testing, including HPLC and spectroscopic methods, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing assay, identity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and easily oxidized; it is recommended to store under an inert atmosphere such as nitrogen for long-term preservation and to minimize exposure to air and moisture upon opening.

Specification

Item	Specification
Appearance	White to off-white powder or crystals
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	146 - 152 °C
Loss on Drying	≤ 0.5%
Ash Content	≤ 0.1%

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