Description

3-Ethyl-3-(Chloromethyl)-Oxetane is a versatile, functionalized oxetane monomer that serves as a critical building block in advanced polymer synthesis. Its unique structure, featuring both an oxetane ring and a reactive chloromethyl group, enables the introduction of cationic polymerizable sites and pendant functionalities into polymer backbones. This compound is essential for researchers and manufacturers in the photoresist, specialty coatings, adhesives, and pharmaceutical intermediate sectors seeking to develop materials with tailored properties such as enhanced adhesion, cross-linking density, or biocompatibility.

Application

• Photoresist & Photoinitiator Formulations: Key monomer for cationic UV-curable systems used in electronics, 3D printing, and high-performance coatings.
• Specialty Polymer Synthesis: Serves as a reactive diluent and cross-linking agent in the production of epoxy and polyurethane resins.
• Adhesive & Sealant Chemistry: Imparts improved toughness, chemical resistance, and low shrinkage in advanced adhesive formulations.
• Pharmaceutical Intermediates: Used in the synthesis of complex molecules and drug delivery systems due to its reactive handles.
• Surface Modifiers & Coatings: Employed to create functional surfaces with specific wetting, adhesion, or release properties.
• Dendrimer & Hyperbranched Polymer Construction: Acts as a versatile AB-type monomer for building complex macromolecular architectures.

Basic Information

Product Name	3-Ethyl-3-(Chloromethyl)-Oxetane
CAS No.	2177-22-2
Molecular Formula	C6H11ClO
Molecular Weight	134.60 g/mol
Synonyms	3-(Chloromethyl)-3-ethyloxetane; 3-Ethyl-3-(chloromethyl)oxetane; 3-Ethyl-3-oxetanemethyl chloride; ECHMO; Oxetane, 3-(chloromethyl)-3-ethyl-; (3-Ethyloxetan-3-yl)methyl chloride; 3-Chloromethyl-3-ethyloxetane
EINECS	218-548-9

Quality Control

Our 3-Ethyl-3-(Chloromethyl)-Oxetane is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided and available upon request, supporting your R&D and production needs with full traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to exclude moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	1.08 - 1.12 g/mL
Refractive Index (n20D)	1.458 - 1.462

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