Description

1-Hexadecyl 2,3,4-Tris(1,2,2,6,6-Pentamethyl-4-Piperidyl) Butane-1,2,3,4-Tetracarboxylate is a high-performance hindered amine light stabilizer (HALS) designed to protect polymers from degradation caused by UV radiation and thermal oxidation. This compound is critical for extending the service life and maintaining the mechanical properties and color stability of sensitive polymeric materials. It is essential for manufacturers in the plastics, coatings, and synthetic fiber industries who require long-term durability for their products exposed to harsh environmental conditions.

Application

• Polymer Stabilization: Primary use as a highly effective light stabilizer in polyolefins (PP, PE), engineering plastics, and thermoplastic elastomers.
• Automotive Components: Protection of interior and exterior plastic parts, such as bumpers, dashboards, and trims, from UV-induced fading and cracking.
• Industrial and Agricultural Films: Extending the functional lifespan of greenhouse films, mulch films, and protective tarpaulins.
• Coatings and Paints: Enhancing the weatherability of industrial and automotive coatings to prevent gloss loss and chalking.
• Synthetic Fibers: Stabilization of polypropylene and nylon fibers used in outdoor textiles, geotextiles, and artificial turf.
• Adhesives and Sealants: Improving the long-term performance of polymer-based adhesives exposed to sunlight.

Basic Information

Product Name	1-Hexadecyl 2,3,4-Tris(1,2,2,6,6-Pentamethyl-4-Piperidyl) Butane-1,2,3,4-Tetracarboxylate
CAS No.	84696-73-1
Molecular Formula	C71H128N3O8
Molecular Weight	1151.8 g/mol
Synonyms	Hexadecyl tris(1,2,2,6,6-pentamethyl-4-piperidyl) butane-1,2,3,4-tetracarboxylate; HALS 1; Light Stabilizer 1; UV Stabilizer 84696-73-1; Tris(1,2,2,6,6-pentamethyl-4-piperidinyl) 1-hexadecyl butane-1,2,3,4-tetracarboxylate; High molecular weight HALS; Polymeric hindered amine light stabilizer; Nylostab S-EED
EINECS	Contact for details

Quality Control

Our production of 1-Hexadecyl 2,3,4-Tris(1,2,2,6,6-Pentamethyl-4-Piperidyl) Butane-1,2,3,4-Tetracarboxylate adheres to a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistent purity, performance, and compliance with relevant industry specifications. Certificates of Analysis (COA) detailing assay, impurity profile, and physical properties are provided with each shipment to guarantee supply reliability and product traceability for our global B2B clients.

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 strong oxidizing agents and heat sources. Under these conditions, the product remains stable for extended periods.

Specification

Item	Specification
Appearance	White to light yellow powder or flakes
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Melting Point	45 - 65 °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.