Description

2-Methoxy-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane is a versatile and highly valuable organoboron reagent, specifically a pinacol boronic ester derivative. Its primary value lies in its exceptional utility as a key intermediate in Suzuki-Miyaura cross-coupling reactions, a cornerstone methodology for forming carbon-carbon bonds in modern synthetic chemistry. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors, where it is used to construct complex molecular architectures with precision.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates via palladium-catalyzed cross-coupling.
• Agrochemical Synthesis: Used to create novel herbicides, fungicides, and insecticides by introducing boronate functional groups into complex molecules.
• Material Science: Employed in the development of organic light-emitting diodes (OLEDs), liquid crystals, and conductive polymers.
• Chemical Research & Development: A fundamental reagent in academic and industrial R&D labs for exploring new synthetic pathways and creating compound libraries.
• Fine Chemical Production: Serves as a precursor for other specialty boron-containing compounds and catalysts.

Basic Information

Product Name	2-Methoxy-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane
CAS No.	1195-66-0
Molecular Formula	C9H19BO3
Molecular Weight	186.06 g/mol
Synonyms	2-Methoxypinacolborane; Methoxy Pinacol Borane; 2-Methoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; Pinacol Methoxyboronate; (Methoxydioxaborolanyl)pinacol; B-Methoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; Methoxyboronic Acid Pinacol Ester
EINECS	214-812-8

Quality Control

Our production of 2-Methoxy-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane adheres to stringent quality management protocols. Every 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, assay, and impurity profiles is provided with each shipment to guarantee compliance with your specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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