Description

Di-tert-Butyltin Dichloride is a high-purity organotin compound widely utilized as a key intermediate in advanced chemical synthesis. This material is essential for the production of specialized catalysts and stabilizers, offering precise reactivity for demanding industrial processes. It is primarily sought by manufacturers in the polymer, fine chemical, and pharmaceutical intermediate sectors for its role in creating high-performance additives and functional materials.

Application

• Catalyst Precursor: A critical intermediate in the synthesis of organotin catalysts used for polyurethane (PU) foam production, esterification, and transesterification reactions.
• Polymer Stabilizer Synthesis: Serves as a building block for manufacturing heat and light stabilizers for PVC and other halogenated polymers.
• Fine Chemical Intermediate: Used in organic synthesis for introducing the tert-butyltin moiety into complex molecules for pharmaceutical and agrochemical research.
• Cross-linking Agent: Employed in the production of silicone rubbers and other elastomers where tin-mediated cross-linking is required.
• Surface Modifying Agent: Facilitates the surface treatment of glass and other inorganic materials to alter adhesion and compatibility properties.
• Laboratory Reagent: Used in academic and industrial R&D settings for organometallic chemistry studies and new catalyst development.

Basic Information

Product Name	Di-tert-Butyltin Dichloride
CAS No.	19429-30-2
Molecular Formula	C8H18Cl2Sn
Molecular Weight	292.83 g/mol
Synonyms	Bis(1,1-dimethylethyl)dichlorostannane; Di-tert-butyltin(IV) dichloride; Dichlorodi-tert-butylstannane; Dichlorobis(1,1-dimethylethyl)stannane; Di-t-butyltin dichloride; DTBTDC; NSC 163083
EINECS	243-079-1

Quality Control

Our Di-tert-Butyltin Dichloride is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including NMR, GC, and titration to verify identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and impurity profiles is provided with every shipment to 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 product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (Sn content)	≥ 98.0 %
Purity (HPLC/GC)	≥ 97.0 %
Melting Point	40 - 45 °C
Heavy Metals (as Pb)	≤ 20 ppm

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