Description

Bis(3,5-Di-tert-Butyl-4-Hydroxybenzyl)Malonic Acid Bis(1-Acryloyl-2,2,6,6-Tetramethylpiperidin-4-Yl) Ester is a high-performance, multifunctional hindered amine light stabilizer (HALS) monomer designed for advanced polymer stabilization. This compound is critically important for enhancing the long-term durability and color retention of polymers exposed to harsh environmental conditions, including UV radiation and thermal stress. It is primarily needed by manufacturers in the plastics, coatings, and specialty chemical industries seeking to formulate high-end, weatherable products.

Application

• Polymer Stabilization: Acts as a reactive monomer in the synthesis of polymeric HALS, providing permanent, non-extractable UV and thermal stabilization for plastics and coatings.
• Automotive Coatings and Plastics: Used in clearcoats, basecoats, and exterior plastic components (bumpers, trim) to prevent gloss loss, cracking, and color fading.
• Industrial and Architectural Coatings: Protects coatings on buildings, bridges, and industrial equipment from degradation caused by sunlight and weathering.
• Agricultural Films and Geotextiles: Extends the service life of polyethylene and polypropylene films used in greenhouse covers, mulch films, and synthetic fabrics exposed to continuous sunlight.
• Engineering Plastics: Stabilizes high-performance polymers like polyamides (nylon) and polycarbonates used in electrical connectors, automotive under-the-hood components, and outdoor equipment.
• Adhesives and Sealants: Incorporated into formulations to maintain elasticity and adhesion properties under outdoor exposure.

Basic Information

Product Name	Bis(3,5-Di-tert-Butyl-4-Hydroxybenzyl)Malonic Acid Bis(1-Acryloyl-2,2,6,6-Tetramethylpiperidin-4-Yl) Ester
CAS No.	63941-34-4
Molecular Formula	C58H88N2O8
Molecular Weight	941.33 g/mol
Synonyms	Bis(1-Acryloyl-2,2,6,6-tetramethylpiperidin-4-yl) 2,2-Bis(3,5-di-tert-butyl-4-hydroxybenzyl)malonate; 2,2-Bis(3,5-di-tert-butyl-4-hydroxybenzyl)malonic Acid Bis(1-acryloyl-2,2,6,6-tetramethylpiperidin-4-yl) Ester; Reactive HALS Monomer; UV-1; Light Stabilizer 1; Polymeric HALS Intermediate; Acrylated HALS; Bis(acryloyloxy-TEMPO) Malonate Derivative
EINECS	Contact for details

Quality Control

Our production of Bis(3,5-Di-tert-Butyl-4-Hydroxybenzyl)Malonic Acid Bis(1-Acryloyl-2,2,6,6-Tetramethylpiperidin-4-Yl) Ester follows stringent quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with industry standards. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical characteristics is provided with every shipment to guarantee product integrity for your formulations.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from strong alkalis and incompatible organic solvents. The product is light-sensitive and should be stored away from direct light exposure.

Specification

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

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