Description

Pentanedioic Acid, Mono[(3-Ethyl-3-Oxetanyl)Methyl] Ester (9Ci) is a high-purity specialty chemical intermediate featuring a unique oxetane-functionalized glutaric acid structure. This compound is valued for its ability to introduce reactive oxetane groups into polymer backbones, enabling cross-linking and property modification. It is primarily sought by R&D and production teams in the advanced polymer, coatings, and adhesive industries for developing high-performance materials with enhanced thermal and mechanical properties.

Application

• UV-Curable Coatings & Inks: Serves as a reactive diluent and cross-linking agent to improve hardness, adhesion, and chemical resistance in formulations cured by ultraviolet light.
• Advanced Polymer Synthesis: Used as a monomer or chain extender for producing polyesters, polyurethanes, and epoxy resins with tailored flexibility and thermal stability.
• Adhesives & Sealants: Imparts enhanced bonding strength and durability in structural and specialty adhesive formulations.
• Photoresists & Electronic Materials: Acts as a key component in the synthesis of polymers for microelectronics and photolithography applications.
• Dental & Biomedical Composites: Employed in the development of biocompatible, high-strength composite materials for restorative and prosthetic devices.

Basic Information

Product Name	Pentanedioic Acid, Mono[(3-Ethyl-3-Oxetanyl)Methyl] Ester (9Ci)
CAS No.	819868-34-3
Molecular Formula	C11H18O5
Molecular Weight	230.26 g/mol
Synonyms	3-Ethyl-3-(hydroxymethyl)oxetane glutaric acid monoester; Glutaric Acid Mono[(3-Ethyl-3-oxetanyl)methyl] Ester; Mono(3-ethyl-3-oxetanylmethyl) glutarate; Oxetane-functional glutaric acid ester; (3-Ethyloxetan-3-yl)methyl hydrogen glutarate; Ester of glutaric acid and 3-ethyl-3-oxetanemethanol
EINECS	Contact for details

Quality Control

Our production of Pentanedioic Acid, Mono[(3-Ethyl-3-Oxetanyl)Methyl] Ester adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

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 incompatible organic solvents. For long-term storage, consider under an inert atmosphere to maintain optimal quality.

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.