Description

Bis(Trimethylsilyl)Tributyltinphosphate is a specialized organotin and organosilicon hybrid compound, identified by CAS NO 74785-85-6. This unique structure makes it a valuable reagent and intermediate in advanced synthetic chemistry, offering specific reactivity for modifying molecular frameworks. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for constructing complex molecules and catalysts.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly for introducing tin- or phosphate-containing functional groups.
• Catalyst Precursor: Serves as a starting material for preparing specialized catalysts used in cross-coupling and other transition metal-catalyzed reactions.
• Agrochemical Synthesis: Employed in the research and development of novel pesticides and herbicides where its specific moiety is required.
• Polymer Modification: Acts as a functionalizing agent or chain transfer agent in the production of specialty polymers and silicones.
• Material Science Research: Utilized in developing novel hybrid organic-inorganic materials and surface coatings.
• Laboratory Reagent: Used as a versatile reagent in academic and industrial research for organometallic and synthetic chemistry studies.

Basic Information

Item	Detail
Product Name	Bis(Trimethylsilyl)Tributyltinphosphate
CAS No.	74785-85-6
Molecular Formula	C22H55O4PSi2Sn
Molecular Weight	~593.6 g/mol
Synonyms	Tributyltin Bis(trimethylsilyl) Phosphate; Tributylstannyl Bis(trimethylsilyl) Phosphate; Bis(trimethylsilyl) Tributylstannyl Phosphate; Tributyl(phosphato-O)tin, bis(trimethylsilyl) ester; (Tributylstannyloxy)bis(trimethylsiloxy)phosphine oxide; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Every batch of Bis(Trimethylsilyl)Tributyltinphosphate is produced and tested under strict quality management protocols to ensure consistency and purity for research and industrial use. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment ensures the material meets the stringent requirements for advanced synthetic applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (NMR/Titration)	≥ 95.0%
Tin (Sn) Content	~20.0%

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