Description

Ferric Stearate is a metallic soap of stearic acid, a fine powder with the CAS registry number 555-36-2. This compound serves as a versatile and effective additive, primarily valued for its role as a lubricant, release agent, and water repellent in various industrial formulations. It is an essential material for manufacturers in the plastics, rubber, and coatings industries seeking to improve processing and final product performance.

Application

• Plastic and Rubber Processing: Acts as an internal and external lubricant and mold release agent, facilitating smooth processing and preventing sticking.
• Waterproofing Agent: Used in coatings, textiles, and construction materials to impart water-repellent properties.
• Cosmetics and Personal Care: Functions as an opacifying agent and stabilizer in certain cosmetic formulations.
• Pigment and Dye Industry: Serves as a grinding aid and surface treatment agent for inorganic pigments to improve dispersion.
• Paper Manufacturing: Utilized as a sizing agent to control water absorption and improve printability.
• Grease and Wax Additive: Contributes to the thickening and stabilizing of certain lubricating greases and wax blends.

Basic Information

Product Name	Ferric Stearate
CAS No.	555-36-2
Molecular Formula	C54H105FeO6
Molecular Weight	906.24 g/mol
Synonyms	Iron(III) Stearate; Iron Tristearate; Stearic Acid, Iron(3+) Salt; Tris(stearato)iron; Octadecanoic Acid, Iron(3+) Salt; Ferrum Stearicum; Iron Octadecanoate
EINECS	209-097-6

Quality Control

Our Ferric Stearate is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure consistent purity, chemical identity, and physical properties. We provide Certificates of Analysis (COA) with key parameters including assay, heavy metal content, and loss on drying. Our quality system is designed to meet the requirements of various industrial applications, and we can support compliance documentation as needed.

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). This product is hygroscopic (moisture-sensitive) and must be kept in a low-humidity environment to prevent caking and degradation. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Light yellow to brownish powder
Identification (IR)	Conforms
Assay (as Fe)	9.0 - 11.0 %
Loss on Drying	≤ 2.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Acid Value	Contact for details
Melting Range	Contact for details

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