Description

Phosphonic Acid, Bis[2-(Trimethylsilyl)Ethyl] Ester is a specialized organosilicon phosphonate derivative, a key intermediate in advanced organic synthesis. This compound is valued for its unique bifunctional structure, combining a phosphonate group with silyl-protected alkyl chains, which enables precise chemical modifications. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and materials science sectors for constructing complex molecules and functional materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring phosphorus-containing functional groups or silicon-based protecting strategies.
• Agrochemical Synthesis: Serves as a key building block for creating advanced herbicides, fungicides, and plant growth regulators with enhanced efficacy.
• Ligand and Catalyst Precursor: Employed in the development of organometallic complexes and catalysts for asymmetric synthesis and polymerization reactions.
• Surface Modification Agent: Used to functionalize silica, glass, or metal oxide surfaces, imparting specific chemical properties for coatings or composite materials.
• Flame Retardant Synthon: Acts as a reactive intermediate in the production of phosphorus-based flame retardant additives for polymers and textiles.
• Material Science Research: Utilized in the development of novel hybrid organic-inorganic materials, such as sol-gel precursors and metal-organic frameworks (MOFs).

Basic Information

Product Name	Phosphonic Acid, Bis[2-(Trimethylsilyl)Ethyl] Ester
CAS No.	171360-37-5
Molecular Formula	C10H27O3PSi2
Molecular Weight	282.46 g/mol
Synonyms	Bis(2-(Trimethylsilyl)ethyl) Phosphonate; Di(2-Trimethylsilylethyl) Phosphonate; Phosphonic Acid, Bis(2-(Trimethylsilyl)ethyl) Ester; 2-(Trimethylsilyl)ethyl Phosphonate Dimer; (2-Trimethylsilylethyl) Phosphonate; TMS-Ethyl Phosphonate; Bis(β-Trimethylsilylethyl) Phosphonate; Di(β-Trimethylsilylethyl) Phosphonate
EINECS	Contact for details

Quality Control

Our production of Phosphonic Acid, Bis[2-(Trimethylsilyl)Ethyl] Ester adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer or regulatory requirements.

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 material is hygroscopic (moisture-sensitive) and should be handled under a dry inert atmosphere (e.g., nitrogen or argon) to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	Contact for details
Density (20°C)	Contact for details

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