Description

2-Ethoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is a versatile and highly reactive boronic ester derivative, widely recognized as a key building block in modern synthetic chemistry. Its primary value lies in its role as a protected boronic acid, offering enhanced stability and solubility for critical cross-coupling reactions. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-purity intermediates for complex organic synthesis.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A fundamental reagent for forming carbon-carbon bonds, crucial in pharmaceutical active ingredient (API) and fine chemical synthesis.
• Pharmaceutical Intermediate: Used in the synthesis of complex drug molecules, including potential candidates for oncology and central nervous system (CNS) therapies.
• Agrochemical Synthesis: Serves as a key intermediate in creating novel herbicides, fungicides, and insecticides with improved efficacy.
• Advanced Material Development: Employed in the production of organic light-emitting diodes (OLEDs), liquid crystals, and conductive polymers.
• Chemical Biology & Proteomics: Acts as a handle for bioconjugation and labeling in probe development and target identification studies.
• Polymer Chemistry: Utilized as a monomer or chain-transfer agent in the synthesis of specialty polymers with tailored properties.

Basic Information

Product Name	2-Ethoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
CAS No.	1126-93-8
Molecular Formula	C8H17BO3
Molecular Weight	172.03 g/mol
Synonyms	4,4,5,5-Tetramethyl-2-ethoxy-1,3,2-dioxaborolane; Ethoxy(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl); Pinacol ethyl boronate; Ethyl pinacol boronate; 2-Ethoxy-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane; B-Ethoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; ETPB
EINECS	214-423-3

Quality Control

Our 2-Ethoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC, NMR, and HPLC, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. Keep away from heat, sparks, and open flame. Due to its sensitivity to moisture and oxidation, containers should be purged with inert gas after each opening.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear 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.