Description

Calcium 2,2'-[[[(2-Hydroxy-5-Octylphenyl)Methyl]Imino]Bis(Ethane-1,2-Diyliminomethylene)]Bis[4-Octylphenolate] is a high-performance, oil-soluble metal complex primarily utilized as a stabilizer. This compound matters because it provides exceptional thermal and oxidative stability to polymers and synthetic materials, extending their service life under demanding conditions. It is critically needed by manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance the durability of their products.

Application

• Polymer Stabilizer: A key additive in polyolefins (e.g., polypropylene, polyethylene) to prevent thermal degradation and discoloration during processing and long-term use.
• Lubricant Additive: Functions as an antioxidant and metal deactivator in industrial lubricants and greases, improving their oxidative stability and protecting metal surfaces.
• Synthetic Resin Modifier: Used in adhesives, coatings, and elastomers to enhance heat resistance and prevent premature aging.
• Fuel and Oil Stabilizer: Employed in specialty fuels and transformer oils to inhibit sludge formation and acid generation.
• PVC Co-stabilizer: Acts synergistically with primary stabilizers in flexible PVC applications to improve long-term heat stability.
• Rubber Antioxidant: Protects synthetic rubber compounds from oxidative cracking and loss of mechanical properties.

Basic Information

Product Name	Calcium 2,2'-[[[(2-Hydroxy-5-Octylphenyl)Methyl]Imino]Bis(Ethane-1,2-Diyliminomethylene)]Bis[4-Octylphenolate]
CAS No.	68568-82-1
Molecular Formula	C54H78CaN2O4
Molecular Weight	859.29 g/mol
Synonyms	Calcium bis[2,2'-[[[(2-hydroxy-5-octylphenyl)methyl]imino]bis(ethane-2,1-diylnitrilomethylidyne)]bis(4-octylphenol)]; Calcium complex of N,N'-bis(2-hydroxy-5-octylbenzyl)ethylenediamine; Calcium phenolic antioxidant; Calcium salt of a hindered phenol; Irganox 1425 (Analog); Antioxidant 1425WL; Calcium HOBP complex; Light stabilizer 68568-82-1
EINECS	Contact for details

Quality Control

Our Calcium 2,2'-[[[(2-Hydroxy-5-Octylphenyl)Methyl]Imino]Bis(Ethane-1,2-Diyliminomethylene)]Bis[4-Octylphenolate] is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity, performance, and compliance with agreed specifications. Comprehensive Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is easily oxidized; for long-term storage, maintaining an inert atmosphere (e.g., under nitrogen) is recommended to preserve efficacy. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow powder or flakes
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Calcium Content	4.5 - 5.0 %
Loss on Drying	≤ 1.0 %
Ash Content	≤ 0.5 %
Melting Point	Contact for details

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