Description

Diphenyl(Trimethylsilyl)Phosphine Oxide is a versatile organophosphorus compound featuring a silyl-protected phosphine oxide functional group. This unique structure makes it a valuable reagent and intermediate in advanced synthetic chemistry, particularly for the preparation of complex ligands and functional materials. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel compounds with tailored properties.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), especially those requiring phosphorus-containing motifs.
• Ligand Synthesis: Serves as a precursor for the preparation of sophisticated phosphine ligands used in transition metal catalysis, such as cross-coupling reactions.
• Agrochemical Research: Employed in the development of new herbicides, insecticides, and plant growth regulators.
• Material Science: Used in the synthesis of flame retardants, stabilizers for polymers, and precursors for advanced ceramic or semiconductor materials.
• Organic Synthesis Reagent: Functions as a silyl transfer agent or a protected phosphine oxide in multi-step synthetic sequences.
• Chemical Research: A valuable tool for academic and industrial R&D in exploring new reaction methodologies and organoelement chemistry.

Basic Information

Product Name	Diphenyl(Trimethylsilyl)Phosphine Oxide
CAS No.	66128-13-0
Molecular Formula	C15H19OPSi
Molecular Weight	274.38 g/mol
Synonyms	Diphenyl(trimethylsilyl)phosphine oxide; (Trimethylsilyl)diphenylphosphine oxide; Diphenyl(trimethylsilyl)phosphine P-oxide; Phosphine oxide, diphenyl(trimethylsilyl)-; Diphenyl(trimethylsilyl)phosphane oxide; TMS-DPPO
EINECS	Contact for details

Quality Control

Our Diphenyl(Trimethylsilyl)Phosphine Oxide is produced under stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including NMR, HPLC, and elemental analysis, to confirm identity and purity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place 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) for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%

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