Description

tert-Butylbis(trimethylsilyl)phosphine is a highly reactive organophosphorus compound featuring a sterically hindered tert-butyl group and two trimethylsilyl (TMS) protecting groups. This compound matters as a versatile and valuable phosphine ligand precursor and synthetic building block in advanced chemical synthesis. It is primarily needed by researchers and manufacturers in the pharmaceutical and specialty chemical industries for developing catalysts and novel molecular architectures.

Application

• Ligand in Catalysis: Serves as a precursor for generating sterically demanding phosphine ligands used in cross-coupling reactions (e.g., Suzuki, Heck) and hydrogenation catalysis.
• Organometallic Synthesis: Acts as a key reagent for the preparation of metal-phosphine complexes essential in homogeneous catalysis research.
• Phosphorus Chemistry Research: Used as a protected phosphine source for the controlled introduction of phosphorus atoms into complex organic molecules.
• Polymer Chemistry: Employed in the development of phosphorus-containing monomers or catalysts for specialized polymer materials.
• Agrochemical Intermediates: Functions as a building block in the synthesis of novel phosphorus-based active ingredients.
• Material Science: Investigated for the surface modification of materials or the creation of phosphorus-doped nanomaterials.

Basic Information

Product Name	tert-Butylbis(trimethylsilyl)phosphine
CAS No.	42491-33-8
Molecular Formula	C10H27PSi2
Molecular Weight	234.47 g/mol
Synonyms	tert-Butylbis(trimethylsilyl)phosphane; Phosphinous acid, P-(1,1-dimethylethyl)-, bis(trimethylsilyl) ester; (tert-Butyl)bis(trimethylsilyl)phosphine; t-BuP(TMS)2; tert-Butyl-di-(trimethylsilyl)-phosphine; Bis(trimethylsilyl)(tert-butyl)phosphine
EINECS	Contact for details

Quality Control

Our tert-Butylbis(trimethylsilyl)phosphine is produced and handled under stringent quality protocols to ensure batch-to-batch consistency and high purity for research and development applications. All materials are characterized by standard analytical techniques including NMR, GC, and GC-MS. A Certificate of Analysis (COA) detailing purity, identity, and relevant specifications is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (argon or nitrogen) at 2-8°C or as specified on the label. This material is easily oxidized (store under inert atmosphere) and moisture-sensitive. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (NMR)	Conforms to structure
Purity (GC)	≥ 95%
Water Content (KF)	≤ 0.5%

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