Description

Methyltin Mercaptide is a specialized organotin compound primarily used as a highly effective heat stabilizer in the polymer industry. Its core value lies in its exceptional ability to prevent thermal degradation during the processing of polyvinyl chloride (PVC), ensuring the production of high-quality, durable materials. This product is essential for manufacturers in the construction, automotive, and packaging sectors who require reliable stabilization for rigid and flexible PVC formulations to enhance product longevity and performance.

Application

• Primary heat stabilizer for rigid PVC applications, including pipes, fittings, and profiles.
• Stabilizer for flexible PVC compounds used in cables, wires, and flooring.
• Key additive in calendering and extrusion processes to prevent discoloration and maintain mechanical properties.
• Used in the formulation of transparent and opaque PVC products requiring high clarity and weatherability.
• Stabilizer for PVC compounds in window profiles and siding to ensure long-term color and impact strength retention.
• Component in specialty polymer formulations where low toxicity and high efficiency are required.

Basic Information

Product Name	Methyltin Mercaptide
CAS No.	57583-35-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Methyltin mercaptide stabilizer; Methyltin sulfide; Organotin mercaptide; Tin mercaptide; PVC methyltin stabilizer; Thermoplastic stabilizer; Methyltin thiolate; (Methylstannylthio)alkane
EINECS	Contact for details

Quality Control

Our Methyltin Mercaptide is produced under stringent quality management systems to ensure batch-to-batch consistency and performance reliability. The product undergoes rigorous analytical testing, including assay and impurity profile analysis, to meet the exacting standards of the polymer industry. A comprehensive Certificate of Analysis (COA) detailing purity, tin content, and other critical parameters is provided with each shipment to guarantee compliance with your specifications.

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); the container must be kept tightly sealed to prevent contact with atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms
Assay (Tin content)	≥ Contact for details %
Specific Gravity (20°C)	Contact for details
Color (Gardner)	≤ Contact for details
Moisture (Karl Fischer)	≤ Contact for details %

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