Description

Monobutyltin is an organotin compound widely utilized as a key intermediate and catalyst in various industrial synthesis processes. Its primary value lies in its ability to facilitate efficient and selective chemical reactions, particularly in polymer and PVC stabilization applications. This product is essential for manufacturers in the plastics, coatings, and fine chemical industries seeking reliable performance and consistent quality in their production lines.

Application

• PVC Stabilizer Intermediate: A crucial precursor in the synthesis of high-performance mixed-metal and organotin-based heat stabilizers for rigid and flexible PVC products.
• Polymerization Catalyst: Acts as a catalyst or co-catalyst in polycondensation and polyaddition reactions for producing specialized polymers and resins.
• Crosslinking Agent: Used in the production of silicone rubbers and other elastomers to control the degree of crosslinking and final material properties.
• Esterification & Transesterification Catalyst: Facilitates the synthesis of plasticizers, lubricants, and biodiesel through efficient ester formation reactions.
• Glass Coating Precursor: Serves as a starting material for depositing transparent, conductive tin oxide coatings on glass surfaces.
• Fine Chemical Synthesis: Employed as a building block or reagent in the multi-step synthesis of complex organic molecules and pharmaceuticals.

Basic Information

Product Name	Monobutyltin
CAS No.	78763-54-9
Molecular Formula	C4H10Sn (for the base hydride, MBTH) / Often supplied as chloride or oxide derivatives.
Molecular Weight	Contact for details (varies by specific derivative).
Synonyms	Butylstannane; Butyltin hydride; Monobutylstannane; MBTH; Butyltin(IV) hydride; Tin, butylhydrido-; Tetrabutyltin (related compound, different CAS); Butyltin chloride; Butyltin oxide.
EINECS	Contact for details.

Quality Control

Our Monobutyltin products undergo rigorous quality testing to ensure compliance with industry standards and customer-specific requirements. We implement strict in-process controls and final batch analysis to guarantee consistency in purity and performance. Certificates of Analysis (COA) detailing key parameters such as assay, impurity profile, and physical properties are available upon request for every shipment.

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 oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize exposure to moisture and air.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (by Sn content)	≥ 95.0%
Purity (GC)	≥ 90.0%
Specific Gravity (20°C)	Contact for details
Refractive Index (20°C)	Contact for details

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