In the realm of fine chemicals, understanding the properties and applications of specific compounds is key for procurement professionals and researchers alike. Dimethyltin Dichloride, identified by its CAS number 753-73-1, is a significant organotin compound with a clear, colorless liquid appearance and a high purity typically exceeding 99%. This chemical intermediate is highly valued for its role in critical industrial processes, most notably in the manufacturing of PVC heat stabilizers and advanced glass coatings.

Chemical Identity and Key Properties

Dimethyltin Dichloride boasts the molecular formula C2H6Cl2Sn. Its physical state as a clear, colorless liquid at room temperature, combined with its high assay, makes it a preferred choice for synthetic chemists and formulation experts. The compound's reactivity and stability profile are well-suited for its use as a precursor in organometallic synthesis and as a functional additive component. The precise specification of its purity level is paramount, especially when it serves as a raw material for products requiring strict adherence to standards, such as those in the pharmaceutical or electronics industries.

Essential Applications in Industry

The versatility of Dimethyltin Dichloride is evident in its application spectrum:

  • PVC Heat Stabilizers: It is a crucial building block for methyltin mercaptide and other methyltin heat stabilizers. These additives protect PVC from thermal degradation during processing, ensuring the integrity and appearance of final products like pipes, window profiles, and films.
  • Glass Coatings: Dimethyltin Dichloride serves as a key precursor in the production of specialized glass coatings. This includes its use in creating Transparent Conductive Oxide (TCO) layers for photovoltaic cells and displays, as well as in formulating LOW-E (Low-Emissivity) coatings for energy-efficient windows.
  • Esterification Catalyst: The compound also functions as an effective catalyst in esterification reactions, a fundamental process in organic synthesis, enabling the production of esters used in various industries from flavors and fragrances to plastics.

Procurement Considerations for Buyers

For businesses looking to purchase Dimethyltin Dichloride, understanding market dynamics and supplier reliability is crucial. Manufacturers in China are prominent suppliers, often offering competitive pricing and significant production capacities. When sourcing this chemical, buyers should always request a Certificate of Analysis (CoA) to verify purity and specifications. Inquiring about minimum order quantities (MOQ) and ensuring the supplier meets international quality standards (e.g., GMP, SGS) will facilitate a smooth procurement process. The ability to secure a stable supply at a fair price is essential for maintaining production continuity.

In summary, Dimethyltin Dichloride (CAS 753-73-1) is a high-value chemical intermediate that supports critical manufacturing processes. Its effective use in PVC stabilization and advanced glass coatings highlights its importance. For companies needing to buy this compound, focusing on quality, supplier reputation, and price will lead to successful sourcing.