Description

Dibutyltin Dichloride is a versatile organotin compound widely used as a catalyst and intermediate in industrial synthesis. Its primary value lies in its exceptional catalytic activity for polyurethane and silicone elastomer production, as well as esterification and transesterification reactions. This product is essential for manufacturers in the plastics, coatings, and specialty chemical industries seeking reliable and efficient process catalysts.

Application

• Polyurethane Catalyst: A key catalyst for the production of flexible and rigid polyurethane foams, coatings, adhesives, sealants, and elastomers (CASE applications).
• Silicone Cross-linking Agent: Used as a catalyst in the curing of room-temperature vulcanizing (RTV) silicone rubbers and sealants.
• Esterification & Transesterification Catalyst: Facilitates the synthesis of plasticizers (e.g., dioctyl phthalate), polyester resins, and biodiesel production.
• PVC Stabilizer Intermediate: Serves as a crucial precursor in the manufacture of dibutyltin-based heat stabilizers for polyvinyl chloride (PVC).
• Chemical Synthesis Intermediate: Used in organic synthesis to produce other organotin compounds and fine chemicals.
• Glass Coating Precursor: Employed in the formulation of transparent, conductive coatings on glass surfaces.

Basic Information

Product Name	Dibutyltin Dichloride
CAS No.	683-18-1
Molecular Formula	C8H18Cl2Sn
Molecular Weight	303.84 g/mol
Synonyms	Dibutyltin(IV) Dichloride; Butyltin Dichloride; Di-n-butyltin Dichloride; DBTC; Stannane, Dichlorodibutyl-; Tin, Dichlorodibutyl-; Catalyst T-9; Dabco T-9
EINECS	211-670-0

Quality Control

Our Dibutyltin Dichloride is manufactured under stringent quality management systems. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity and catalytic performance. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with each shipment to guarantee consistency and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be kept under dry conditions to prevent hydrolysis. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or lumps
Identification (IR)	Conforms
Assay (Titration)	≥ 98.0 %
Melting Point	39 - 43 °C
Tin (Sn) Content	Contact for details
Chloride Content	Contact for details

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