Description

1,3-Bis-(Chlorodimethylstannyl)-Propane is a specialized organotin compound, specifically a distannylated propane derivative, with the CAS number 143255-47-4. This chemical serves as a valuable intermediate and catalyst in advanced organic synthesis and polymer chemistry. It is primarily required by R&D laboratories and industrial manufacturers in the polymer, fine chemical, and material science sectors for developing novel materials and facilitating specific chemical transformations.

Application

• As a catalyst or co-catalyst in polyurethane (PU) and polycarbonate production.
• As a key intermediate in the synthesis of heat stabilizers for PVC and other halogenated polymers.
• In the preparation of organotin monomers for incorporation into specialty polymers and coatings.
• For use in cross-coupling reactions (e.g., Stille coupling) in pharmaceutical and agrochemical research.
• As a precursor for other functional organometallic compounds and catalysts.
• In material science for the development of tin-containing hybrid materials and nanocomposites.

Basic Information

Product Name	1,3-Bis-(Chlorodimethylstannyl)-Propane
CAS No.	143255-47-4
Molecular Formula	C7H18Cl2Sn2
Molecular Weight	428.53 g/mol
Synonyms	1,3-Bis(chlorodimethylstannyl)propane; Propane, 1,3-bis(chlorodimethylstannyl)-; Chlorodimethylstannylpropane; Dimethyltin chloride propane derivative; Organotin chloride intermediate; Distannylated propane catalyst; Tin-based polymerization catalyst
EINECS	Contact for details

Quality Control

Our 1,3-Bis-(Chlorodimethylstannyl)-Propane is manufactured under controlled conditions to ensure batch-to-batch consistency and high purity. Quality is verified through a suite of analytical techniques including NMR, GC, and titration methods. A comprehensive Certificate of Analysis (COA) detailing purity, identity, 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 away from incompatible materials such as strong bases and organic solvents. Recommended storage temperature is 2-8°C to maintain stability. The container must be kept tightly sealed in a dry environment to minimize exposure to moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (NMR)	Conforms to structure
Assay (GC)	≥ 95.0%
Tin (Sn) Content	55.0 - 56.0 %
Chloride Content	16.0 - 17.0 %
Density (at 20°C)	~1.5 g/mL

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