Description

Butanedioic Acid, Mono[(3-Ethyl-3-Oxetanyl)Methyl] Ester (9Ci) is a specialized oxetane-functionalized succinic acid derivative, serving as a high-value monomer and crosslinking agent in advanced polymer synthesis. Its core value lies in introducing reactive oxetane rings into polymer backbones, enabling the development of materials with enhanced thermal stability, chemical resistance, and tailored mechanical properties. This product is essential for R&D and production in industries focused on high-performance coatings, adhesives, and specialty resins.

Application

• Advanced Polymer Synthesis: Key monomer for producing polyesters, polyurethanes, and epoxy resins with improved thermal and mechanical characteristics.
• UV-Curable Coatings & Inks: Serves as a reactive diluent and crosslinker in formulations that cure rapidly under UV light, offering excellent surface hardness and adhesion.
• High-Performance Adhesives & Sealants: Imparts enhanced toughness, flexibility, and chemical resistance to structural and specialty adhesive systems.
• Electronics Encapsulation: Used in resins for potting and encapsulating electronic components, providing reliable protection against moisture and thermal stress.
• Composite Materials: Functional intermediate for modifying resins in fiber-reinforced composites for automotive and aerospace applications.
• Photoresists & Optical Materials: A building block in the development of advanced photoresist polymers and materials with specific refractive indices.

Basic Information

Product Name	Butanedioic Acid, Mono[(3-Ethyl-3-Oxetanyl)Methyl] Ester (9Ci)
CAS No.	819868-37-6
Molecular Formula	C10H16O5
Molecular Weight	216.23 g/mol
Synonyms	3-Ethyl-3-(hydroxymethyl)oxetane monosuccinate; Succinic Acid Mono[(3-Ethyl-3-Oxetanyl)Methyl] Ester; Mono(3-ethyl-3-oxetanemethyl) succinate; Oxetane-functionalized succinic acid ester; EOMS (Oxetane Methyl Succinate); 819868-37-6; (3-Ethyloxetan-3-yl)methyl hydrogen succinate
EINECS	Contact for details

Quality Control

Our production of Butanedioic Acid, Mono[(3-Ethyl-3-Oxetanyl)Methyl] Ester adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including assay, identification, and impurity profiling, to ensure consistency and high purity suitable for demanding industrial and research applications. Certificates of Analysis (COA) documenting all critical specifications are available upon request to support your quality assurance protocols.

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). Keep away from strong acids and organic solvents. The container must be kept tightly sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Acid Value	Contact for details
Refractive Index	Contact for details
Density	Contact for details

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