Description

Rare Earth Naphthenates are a class of organometallic compounds where rare earth elements are complexed with naphthenic acid. These versatile catalysts and additives are valued for their unique ability to accelerate specific chemical reactions and modify material properties. They are essential for manufacturers in the polymer, petrochemical, and specialty chemical industries seeking to enhance product performance and process efficiency.

Application

• Polymerization Catalysts: Widely used as co-catalysts or activators in the production of synthetic rubbers, polyolefins (like polyethylene and polypropylene), and other specialty polymers.
• Fuel & Lubricant Additives: Function as combustion improvers, stabilizers, and detergent-dispersants in fuels and high-performance lubricating oils and greases.
• Paint & Coating Driers: Act as highly efficient siccatives (drying agents) to accelerate the oxidation and polymerization of oils in paints, varnishes, and printing inks.
• Glass & Ceramic Processing: Employed as polishing agents and additives to control refractive index, coloration, and other optical properties in specialty glass and ceramics.
• Organic Synthesis: Serve as Lewis acid catalysts in various organic reactions, including esterification, alkylation, and polymerization processes.
• Wood & Textile Treatment: Used in preservative formulations and as water-repellent agents for wood and textile materials.

Basic Information

Item	Details
Product Name	Rare Earth Naphthenates
CAS No.	61790-20-3
Molecular Formula	Variable (Complex mixture)
Molecular Weight	Variable
Synonyms	Naphthenic Acids, Rare Earth Metal Salts; Rare Earth Naphthenate; Lanthanide Naphthenates; RE Naphthenates; Naphthenate Driers; Rare Earth Soap; Catalysts, Rare Earth Naphthenate
EINECS	Contact for details

Quality Control

Our Rare Earth Naphthenates are manufactured under strict quality management protocols. Each batch undergoes comprehensive analysis to ensure consistent performance, including measurement of metal content, viscosity, acid value, and solubility. A Certificate of Analysis (COA) detailing all relevant specifications is provided with every shipment to guarantee traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat and ignition sources. Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after use. For long-term storage, maintaining an inert atmosphere (e.g., under nitrogen) is recommended to prevent oxidation. Keep away from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	Viscous liquid, color may vary
Total Rare Earth Oxide (REO) Content	Variable by grade (e.g., 4-12%)
Metal Content (Specific Lanthanide)	Customizable (e.g., Cerium, Lanthanum, Neodymium)
Solubility	Soluble in common organic solvents (hydrocarbons, aromatics)
Viscosity	As per grade requirement
Acid Value	Contact for details
Moisture Content	< 0.5% (typical)

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