Description

Methyltin is a versatile organotin compound, specifically a methyltin chloride, widely recognized for its role as a key intermediate in the synthesis of PVC heat stabilizers. Its importance lies in its ability to impart excellent long-term thermal stability and clarity to polyvinyl chloride (PVC) formulations, which is critical for producing durable and high-performance materials. This product is essential for manufacturers in the plastics and polymer industries, particularly those producing rigid and flexible PVC for construction profiles, pipes, fittings, and packaging films.

Application

• Primary intermediate for the synthesis of methyltin mercaptide and carboxylate heat stabilizers for PVC.
• Used in the formulation of high-efficiency stabilizers for rigid PVC applications, such as window profiles, siding, and pipe systems.
• Employed in the production of stabilizers for flexible PVC used in cables, flooring, and medical tubing.
• Acts as a catalyst or co-catalyst in specific organic synthesis reactions, including esterification and transesterification processes.
• Utilized in R&D for developing new organometallic compounds and advanced polymer additives.

Basic Information

Product Name	Methyltin
CAS No.	16408-15-4
Molecular Formula	C3H9Cl3Sn
Molecular Weight	298.16 g/mol
Synonyms	Methyltin Trichloride; Trimethyltin Chloride; Chlorotrimethylstannane; Stannane, chlorotrimethyl-; NSC 175156; TMT-Cl; Me3SnCl; Trimethylstannyl chloride
EINECS	240-455-5

Quality Control

Our Methyltin CAS NO 16408-15-4 is produced under stringent quality management systems to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analysis, including assay, identity confirmation, and impurity profiling, to meet the exacting standards required for high-performance polymer applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee product integrity and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and organic solvents. Recommended storage temperature is between 15°C and 25°C. The product is moisture-sensitive; keep container tightly sealed when not in use.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 98.0 %
Melting Point	37 - 42 °C
Heavy Metals (as Pb)	≤ 10 ppm
Related Impurities (HPLC)	≤ 1.0 % total

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