Description

Methyltin Trichloride is a key organotin intermediate with significant industrial utility. This compound is valued for its role as a precursor in the synthesis of more complex organotin stabilizers and catalysts. It is primarily sought by manufacturers in the plastics, polymer, and specialty chemical industries for applications requiring precise tin-based reactivity.

Application

• PVC Heat Stabilizer Precursor: A critical intermediate in the manufacturing of methyltin mercaptide and carboxylate-based heat stabilizers for rigid and semi-rigid PVC applications.
• Catalyst Synthesis: Used in the preparation of organotin catalysts for polyurethane (PU) foam formation, silicone curing (RTV), and esterification/transesterification reactions.
• Chemical Intermediate: Serves as a versatile building block in organic synthesis for introducing the methyltin moiety into target molecules for agrochemicals or pharmaceuticals.
• Glass Coating: Employed in the production of tin-based coatings for glass to enhance durability and optical properties.
• Wood Preservation: Acts as an intermediate in formulating organotin biocides used for protecting wood against fungal decay and insect damage.

Basic Information

Product Name	Methyltin Trichloride
CAS No.	993-16-8
Molecular Formula	CH3Cl3Sn
Molecular Weight	240.08 g/mol
Synonyms	Monomethyltin Trichloride; Trichloromethylstannane; Methylstannic Trichloride; Methyltin Chloride; Tin, Trichloromethyl-; Methyl Tin Trichloride; MeSnCl3; NSC 157081
EINECS	213-608-8

Quality Control

Our Methyltin Trichloride is produced under stringent process controls to ensure batch-to-batch consistency and high chemical purity. Quality is verified through a comprehensive suite of analytical techniques including titration, gas chromatography (GC), and infrared spectroscopy (IR). A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your quality assurance protocols.

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 hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and degradation. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 98.0 %
Tin (Sn) Content	Contact for details
Chloride Content	Contact for details
Water Content (KF)	≤ 0.5 %

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