Description

2-Ethyl-1,3,2-Dioxaborolane is a versatile organoboron reagent, specifically a cyclic boronic ester, widely utilized in synthetic organic chemistry. Its primary value lies in its role as a protected boronic acid equivalent, offering enhanced stability and handling characteristics compared to its acyclic counterparts. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries, where it serves as a key building block for Suzuki-Miyaura cross-coupling reactions and other advanced synthetic transformations.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs) via palladium-catalyzed cross-coupling reactions.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides requiring specific boron-containing motifs.
• Materials Science: Serves as a monomer or modifying agent in the production of advanced polymers, liquid crystals, and organic electronic materials.
• Chemical Research: Employed in academic and industrial R&D for constructing complex organic molecules, including natural products and functionalized aromatics.
• Catalyst Ligand Precursor: Can be used to generate ligands for transition metal catalysts employed in various asymmetric synthesis processes.

Basic Information

Product Name	2-Ethyl-1,3,2-Dioxaborolane
CAS No.	10173-38-3
Molecular Formula	C5H11BO2
Molecular Weight	113.95 g/mol
Synonyms	2-Ethyl-1,3,2-dioxaborolane; 2-Ethyl-1,3,2-dioxaborinane; Ethylboronic acid, cyclic ethylene ester; 2-Ethyl-1,3,2-dioxaborolane (cyclic ethylene boronate); Ethylene ethylboronate; 1,3,2-Dioxaborolane, 2-ethyl-; Ethyl boronic acid ethylene ester
EINECS	Contact for details

Quality Control

Our 2-Ethyl-1,3,2-Dioxaborolane is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including GC, NMR, and Karl Fischer titration, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are 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, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

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.