Description

Cerium(III) Stearate is a rare earth metal soap compound, specifically the cerium salt of stearic acid. This specialized chemical serves as a highly effective and thermally stable catalyst, stabilizer, and functional additive in advanced polymer systems. It is essential for manufacturers in the plastics, coatings, and specialty chemical industries seeking to enhance product performance, longevity, and processing characteristics under demanding conditions.

Application

• Polymer Stabilizer: Acts as a highly efficient heat stabilizer and antioxidant for PVC and other halogenated polymers, preventing degradation during processing and extending service life.
• Catalyst & Co-catalyst: Used in organic synthesis and polymerization reactions, including as a component in Ziegler-Natta type catalyst systems for polyolefins.
• Lubricant & Processing Aid: Functions as an internal and external lubricant in plastic compounding, improving flow properties and mold release.
• Water Repellent & Surface Modifier: Imparts hydrophobic properties to surfaces and materials in coatings, textiles, and construction chemicals.
• Crosslinking Agent: Employed in the vulcanization and curing of certain elastomers and silicone rubbers to enhance mechanical properties.
• Fuel & Grease Additive: Serves as a combustion catalyst and anti-wear additive in specialized fuels and high-temperature greases.

Basic Information

Product Name	Cerium(III) Stearate
CAS No.	10119-53-6
Molecular Formula	C54H105CeO6
Molecular Weight	974.66 g/mol (approx.)
Synonyms	Cerous Stearate; Cerium Tristearate; Octadecanoic Acid, Cerium(3+) Salt; Cerium Octadecanoate; Cerium Soap; Cerium(3+) Octadecanoate; CeSt; Cerium(III) Octadecanoate
EINECS	233-340-1

Quality Control

Our Cerium(III) Stearate is manufactured under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure consistent purity, composition, and performance. Key parameters such as metal content, moisture, and acid value are strictly controlled. A Certificate of Analysis (COA) documenting all test results is provided with every shipment to guarantee compliance with your specifications and industry standards.

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, strong acids, and moisture sources. Under recommended storage conditions, the product remains stable for extended periods.

Specification

Item	Specification
Appearance	White to pale yellow powder or lumps
Identification (IR)	Complies
Cerium (Ce) Content	Contact for details
Assay (Titration)	≥ 95.0%
Loss on Drying	≤ 2.0 %
Melting Point	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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