Description

Tris(Trimethylsilyl) Borate is a versatile organosilicon reagent primarily used as a silylating agent and a boron source in advanced chemical synthesis. Its value lies in its ability to introduce both trimethylsilyl and borate functionalities, facilitating protection chemistry and the formation of boron-containing compounds. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries, particularly for developing active ingredients and novel polymeric materials.

Application

• Pharmaceutical Intermediate Synthesis: Used as a key reagent in the preparation of complex drug molecules and active pharmaceutical ingredients (APIs).
• Polymer & Material Science: Acts as a cross-linking agent or monomer in the synthesis of specialty silicones, borosilicate glasses, and advanced polymeric materials.
• Agrochemical Production: Employed in the synthesis of herbicides, fungicides, and other crop protection agents that require boron or silyl groups.
• Protection Group Chemistry: Serves as an effective agent for protecting hydroxyl groups in multi-step organic synthesis.
• Electrolyte Additive: Utilized in the formulation of electrolytes for lithium-ion batteries to improve stability and performance.
• Catalyst & Ligand Preparation: Used to synthesize novel boron-based catalysts and ligands for asymmetric synthesis and polymerization reactions.

Basic Information

Product Name	Tris(Trimethylsilyl) Borate
CAS No.	4325-85-3
Molecular Formula	C9H27BO3Si3
Molecular Weight	290.37 g/mol
Synonyms	Boric Acid Tris(trimethylsilyl) Ester; Trimethylsilyl Borate; Tris-O-(trimethylsilyl) Borate; Boron Tris(trimethylsilanolate); TMS Borate; Tris(trimethylsiloxy)borane; B(OSi(CH3)3)3; 4325-85-3
EINECS	224-378-8

Quality Control

Our Tris(Trimethylsilyl) Borate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, NMR, and titration methods, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	0.85 - 0.90 g/mL
Refractive Index (n20D)	1.390 - 1.410
Water Content (KF)	≤ 0.5%

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