Description

2-Ethyl-5-Phenyl-1,3,2-Dioxaborolan-4-One is a specialized organoboron compound that serves as a versatile intermediate in advanced organic synthesis. Its value lies in its unique cyclic boronate ester structure, which is crucial for constructing complex molecules in pharmaceutical and materials science research. This product is essential for R&D chemists and process development scientists working in pharmaceutical development, agrochemical synthesis, and the creation of novel functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring boron-containing motifs for Suzuki-Miyaura cross-coupling reactions.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides that incorporate boron heterocycles for enhanced bioactivity.
• Material Science Precursor: Serves as a monomer or cross-linking agent in the development of advanced polymers, resins, and boron-based nanomaterials.
• Organic Synthesis Reagent: A valuable reagent for constructing complex organic frameworks in academic and industrial research laboratories.
• Ligand Synthesis: Intermediate for the preparation of novel boron-containing ligands used in catalysis and coordination chemistry.
• Chemical Research: Fundamental compound for studying the reactivity and properties of five-membered dioxaborolane rings.

Basic Information

Product Name	2-Ethyl-5-Phenyl-1,3,2-Dioxaborolan-4-One
CAS No.	74646-15-4
Molecular Formula	C11H13BO3
Molecular Weight	204.03 g/mol
Synonyms	5-Phenyl-2-ethyl-1,3,2-dioxaborolan-4-one; 2-Ethyl-5-phenyl-1,3,2-dioxaborolan-4-one; Ethyl phenyl dioxaborolane; Phenyl ethyl dioxaborolanon; 1,3,2-Dioxaborolan-4-one, 2-ethyl-5-phenyl-; Boronate ester, cyclic; 74646-15-4 (CAS)
EINECS	Contact for details

Quality Control

Our 2-Ethyl-5-Phenyl-1,3,2-Dioxaborolan-4-One is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to verify identity and purity. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which can compromise product integrity. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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