Description

Manganese Stearate CAS NO 3353-05-7 is a metallic soap of stearic acid, functioning as a versatile and effective metal carboxylate. This compound is valued for its role as a heat stabilizer and lubricant in polymer processing, where it prevents degradation and improves flow characteristics. It is primarily needed by manufacturers in the plastics, rubber, and coatings industries seeking to enhance product durability and processing efficiency.

Application

• Primary heat stabilizer for polyvinyl chloride (PVC) and other halogenated polymers.
• Internal lubricant and mold release agent in plastic and rubber compounding.
• Water repellent and drying agent in paints, varnishes, and coating formulations.
• Catalyst component and viscosity modifier in the production of polyurethane and other resins.
• Additive in cosmetics and personal care products for its gelling and stabilizing properties.
• Raw material for the synthesis of other manganese-based compounds and chemical intermediates.

Basic Information

Product Name	Manganese Stearate
CAS No.	3353-05-7
Molecular Formula	C36H70MnO4
Molecular Weight	621.91 g/mol
Synonyms	Manganese Distearate; Manganese(II) Stearate; Octadecanoic Acid, Manganese Salt; Stearic Acid, Manganese Salt; Manganese Dioctadecanoate; Manganous Stearate; Synpro® Manganese Stearate (Various Grades); Heat Stabilizer M-2
EINECS	222-131-8

Quality Control

Our Manganese Stearate is manufactured under a strict quality management system. Each batch undergoes rigorous testing to ensure it meets precise specifications for metal content, acidity, and physical properties. A comprehensive Certificate of Analysis (COA) is provided with every shipment, detailing purity, assay, and impurity profiles to guarantee batch-to-batch consistency and compliance with customer requirements.

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 material is hygroscopic (moisture-sensitive) and easily oxidized; it is recommended to store under an inert atmosphere such as nitrogen for long-term preservation to prevent caking and degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Light pink to pale brown powder
Identification (IR)	Conforms
Assay (Mn Content)	8.5 - 10.5 %
Acid Value	≤ 10 mg KOH/g
Loss on Drying	≤ 2.0 %
Melting Range	100 - 110 °C
Particle Size (Passing 200 mesh)	≥ 95 %

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