Description

2-Ethyl-5-Methyl-1,3,2-Dioxaborolan-4-One is a specialized organoboron compound belonging to the class of cyclic dioxaborolanes. This chemical is valued for its role as a versatile intermediate and building block in advanced organic synthesis, particularly in the development of pharmaceuticals and functional materials. It is essential for researchers and manufacturers in the fine chemical, pharmaceutical, and agrochemical industries seeking to incorporate boron-containing motifs into complex molecules.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), especially those containing boron for boron neutron capture therapy (BNCT) or protease inhibitors.
• Cross-Coupling Reagent: Used as a boron source in Suzuki-Miyaura cross-coupling reactions to form carbon-carbon bonds, a fundamental step in constructing complex organic frameworks.
• Material Science Precursor: Serves as a monomer or additive in the production of advanced polymers, resins, and boron-doped materials with specific thermal or electronic properties.
• Agrochemical Synthesis: Intermediate in the development of novel herbicides, fungicides, and insecticides that utilize boron's unique bioactivity.
• Ligand and Catalyst Development: Used to synthesize novel boron-containing ligands for metal complexes and catalysts used in asymmetric synthesis.
• Research & Development: A critical reagent in academic and industrial R&D for exploring new synthetic methodologies and boron chemistry.

Basic Information

Product Name	2-Ethyl-5-Methyl-1,3,2-Dioxaborolan-4-One
CAS No.	74646-14-3
Molecular Formula	C₆H₁₁BO₃
Molecular Weight	141.96 g/mol
Synonyms	2-Ethyl-5-methyl-1,3,2-dioxaborolan-4-one; 4H-1,3,2-Dioxaborol-4-one, 2-ethyl-5-methyl-; 2-Ethyl-5-methyl-1,3,2-dioxaborolan-4(5H)-one; 5-Methyl-2-ethyl-1,3,2-dioxaborolan-4-one; Ethylmethyl dioxaborolanone; Cyclic ethyl methyl boronate
EINECS	Contact for details

Quality Control

Every batch of 2-Ethyl-5-Methyl-1,3,2-Dioxaborolan-4-One is manufactured under strict quality management systems. We employ advanced analytical techniques including NMR, HPLC, and GC to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specification parameters is provided with each shipment to guarantee compliance with your research or production requirements.

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). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 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.