Description

Tin(II) Stearate, 98 is an organotin compound of stearic acid, serving as a versatile metal soap with significant industrial utility. This product is valued for its role as a heat stabilizer and lubricant in polymer processing, particularly for PVC, and as a catalyst or intermediate in various chemical syntheses. It is essential for manufacturers in the plastics, coatings, and chemical manufacturing sectors seeking to enhance material properties and process efficiency.

Application

• PVC Heat Stabilizer: Acts as a primary or secondary stabilizer in polyvinyl chloride (PVC) formulations to prevent thermal degradation during processing and extend product life.
• Polymer Lubricant & Release Agent: Functions as an internal and external lubricant in plastics compounding, improving flow and mold release properties.
• Catalyst Precursor: Used as a catalyst or catalyst component in esterification and transesterification reactions for producing specialty esters and polymers.
• Waterproofing Agent: Imparts water-repellent characteristics to textiles, paper, and construction materials.
• Cosmetics & Personal Care: Employed as an opacifying agent and viscosity modifier in certain cosmetic formulations.
• Grease & Lubricant Additive: Serves as a thickening agent and anti-wear additive in the formulation of specialty greases and lubricants.

Basic Information

Item	Detail
Product Name	Tin(II) Stearate, 98
CAS No.	7637-13-0
Molecular Formula	C36H70O4Sn
Molecular Weight	685.64 g/mol
Synonyms	Stannous Stearate; Tin Distearate; Dibutyltin Distearate (related compound); Tin Octadecanoate; EINECS 231-588-9; Stannous Octadecanoate; Tin(2+) Distearate
EINECS	231-588-9

Quality Control

Our Tin(II) Stearate, 98 is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets the declared specifications for purity, identity, and physical properties. A Certificate of Analysis (COA) detailing the results is provided with every shipment to guarantee traceability and compliance with your quality requirements.

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, consider an inert atmosphere. Keep away from strong acids, strong bases, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (Tin content)	≥ 98.0 %
Melting Point	Approx. 105 - 115 °C
Loss on Drying	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm

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