Description

Tri-tert-Butyl Borate is a specialized organoboron compound valued for its role as a versatile reagent and protecting group in advanced synthetic chemistry. Its significance lies in its ability to act as a mild and selective boron source, facilitating critical transformations in the synthesis of complex molecules. This high-purity chemical is essential for R&D and production within the pharmaceutical, agrochemical, and materials science industries, where precise boron incorporation is required.

Application

• Pharmaceutical Intermediate Synthesis: Used as a boronating agent in the preparation of active pharmaceutical ingredients (APIs), particularly in Suzuki-Miyaura cross-coupling reactions.
• Agrochemical Production: Serves as a key precursor in the synthesis of novel herbicides, fungicides, and insecticides that contain boron heterocycles.
• Polymer & Material Science: Employed in the development of boron-containing polymers, resins, and advanced ceramic precursors for high-performance materials.
• Organic Synthesis Reagent: Functions as a protecting group for diols and a mild Lewis acid catalyst in various esterification and transesterification processes.
• Electronics & Semiconductor Industry: Utilized in chemical vapor deposition (CVD) processes as a boron dopant source for silicon and other semiconductor materials.
• Research & Development: A critical tool in academic and industrial labs for exploring new organoboron chemistry and catalytic cycles.

Basic Information

Product Name	Tri-tert-Butyl Borate
CAS No.	7397-43-5
Molecular Formula	C12H27BO3
Molecular Weight	230.15 g/mol
Synonyms	Boric Acid Tri-tert-Butyl Ester; tert-Butyl Borate; Tris(tert-butoxy)borane; Boron Tri-tert-Butoxide; Tris(1,1-dimethylethyl) Borate; Tri-tert-Butoxyborane; B(OC(CH3)3)3; 2-Methyl-2-propyl borate (triester)
EINECS	230-991-9

Quality Control

Our Tri-tert-Butyl Borate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, impurity profiling, and identity confirmation. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic and highly volatile nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent moisture absorption and decomposition. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (Karl Fischer)	≤ 0.5%
Density (at 20°C)	~0.85 g/mL
Refractive Index (n20/D)	~1.405

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