Description

Methyl Octadecanoate Reaction Product With 1-(2-Hydroxy-2-Methylpropoxy)-2,2,6,6-Tetramethyl-4-Piperidinol is a specialized hindered amine light stabilizer (HALS) derivative, synthesized to provide exceptional long-term thermal and UV stability to polymeric materials. This compound is engineered to mitigate the degradation effects of photo-oxidation, thereby significantly extending the service life and maintaining the aesthetic properties of finished products. It is a critical additive for formulators and manufacturers in the plastics, coatings, and synthetic fiber industries who require high-performance stabilization solutions.

Application

• As a high-efficiency light stabilizer (HALS) in polyolefin films, sheets, and molded articles (e.g., PP, LDPE, HDPE).
• Providing UV protection and anti-aging properties in automotive coatings, industrial paints, and wood finishes.
• Enhancing the weathering resistance of engineering plastics used in outdoor applications and construction materials.
• Stabilizing synthetic fibers and textiles against color fading and loss of mechanical strength due to sunlight exposure.
• Used in agricultural films to prolong durability under harsh environmental conditions.
• Formulation of masterbatches and additive packages for the plastics compounding industry.

Basic Information

Item	Details
Product Name	Methyl Octadecanoate Reaction Product With 1-(2-Hydroxy-2-Methylpropoxy)-2,2,6,6-Tetramethyl-4-Piperidinol
CAS No.	300711-92-6
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Hindered Amine Light Stabilizer (HALS) derivative; Reaction product of methyl stearate with 1-(2-hydroxy-2-methylpropoxy)-2,2,6,6-tetramethyl-4-piperidinol; UV Stabilizer 300711-92-6; Methyl stearate, reaction product with 1-(2-hydroxy-2-methylpropoxy)-2,2,6,6-tetramethyl-4-piperidinol; Light stabilizer based on tetramethylpiperidinol; NOR HALS derivative; Polymeric light stabilizer intermediate.
EINECS	Contact for details

Quality Control

Our production of this hindered amine light stabilizer adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. Quality is verified through analytical techniques including HPLC, GC, and spectroscopic methods. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and specific parameters is provided with each shipment to support your quality assurance 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 sources and open flame. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white powder or waxy solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Ash Content	≤ 0.5%

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