Description

Butyltin Trichloride is a versatile organotin compound with the CAS number 1118-46-3, serving as a crucial intermediate in organometallic synthesis. Its primary value lies in its reactivity as a precursor for various butyltin stabilizers and catalysts. This chemical is essential for manufacturers in the plastics, polymer, and fine chemical industries seeking to produce heat stabilizers or specialized catalysts.

Application

• PVC Heat Stabilizer Precursor: A key intermediate in the synthesis of butyltin mercaptides and carboxylates used to stabilize polyvinyl chloride (PVC) against thermal degradation during processing.
• Catalyst Synthesis: Serves as a starting material for manufacturing organotin catalysts employed in polyurethane foam formation, silicone curing, and esterification reactions.
• Chemical Intermediate: Used in organic synthesis for introducing the butyltin moiety into more complex molecules for research and specialty chemical production.
• Wood Preservative Component: Acts as an intermediate in the production of tributyltin oxide (TBTO) and related compounds, historically used in wood treatment formulations.
• Antifouling Agent Intermediate: A precursor in the manufacturing of organotin compounds formerly used in marine antifouling paints.
• Glass Coating Precursor: Utilized in the chemical vapor deposition (CVD) process to create transparent, conductive tin oxide coatings on glass surfaces.

Basic Information

Product Name	Butyltin Trichloride
CAS No.	1118-46-3
Molecular Formula	C4H9Cl3Sn
Molecular Weight	282.17 g/mol
Synonyms	Monobutyltin Trichloride; Butylstannane Trichloride; Trichlorobutylstannane; n-Butyltin Trichloride; MBTC; BTTC; Butyltin Chloride; NSC 60535
EINECS	214-269-9

Quality Control

Our Butyltin Trichloride is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing key parameters such as assay, identity, and impurity profiles. Our quality system is designed to meet the rigorous demands of industrial chemical synthesis and intermediate production.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Due to its hygroscopic and strong acid/organic solvent nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture absorption and degradation. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	~1.70 g/cm³
Refractive Index (n20D)	~1.520
Related Substances (GC)	Contact for details

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