Description

2-Oxepanone, Homopolymer, Oxydi-2,1-Ethanediyl Ester is a specialized polymeric ester derived from caprolactone. This compound is valued for its role as a reactive intermediate and building block in advanced polymer synthesis, offering tunable properties for high-performance materials. It is primarily sought by manufacturers in the polymer, specialty chemical, and pharmaceutical industries for applications requiring precise molecular architecture and controlled degradation profiles. CAS number 75035-33-5 identifies this specific chemical entity.

Application

• Polymer Modification: Acts as a key monomer or macromonomer for synthesizing biodegradable polyesters and poly(ester-ether)s.
• Controlled Release Systems: Used in the formulation of drug delivery matrices and agricultural controlled-release coatings due to its hydrolyzable ester linkages.
• Resin & Coating Precursor: Serves as a reactive diluent or cross-linking agent in high-solids, UV-curable, or powder coatings to enhance flexibility and adhesion.
• Adhesive & Sealant Formulation: Incorporated into polyurethane and other adhesive systems to modify toughness, crystallinity, and processing characteristics.
• Biomedical Materials: Utilized in the research and development of bioresorbable scaffolds, sutures, and tissue engineering constructs.
• Specialty Plasticizers: Functions as a polymeric plasticizer for PVC and other resins, offering improved permanence and low migration.

Basic Information

Product Name	2-Oxepanone, Homopolymer, Oxydi-2,1-Ethanediyl Ester
CAS No.	75035-33-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Poly(oxy-1,2-ethanediyloxycarbonyl-1,6-hexanediyl); Poly(ethylene glycol) caprolactone copolymer; PEG-PCL copolymer; Poly(ethylene oxide)-block-poly(ε-caprolactone); Poly(ethylene glycol)-block-polycaprolactone; Oxydi-2,1-ethanediyl ester of homopolymer of 2-oxepanone; ε-Caprolactone homopolymer oxydi-2,1-ethanediyl ester
EINECS	Contact for details

Quality Control

Our 2-Oxepanone, Homopolymer, Oxydi-2,1-Ethanediyl Ester is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure consistency in molecular weight, polydispersity, and functional group content. Certificates of Analysis (COA) detailing purity, identity, and key physical parameters are available upon request, supporting compliance with relevant research and industrial standards.

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 material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	White to off-white waxy solid or viscous liquid
Identification (IR)	Conforms to structure
Assay (NMR/GPC)	≥ 95% (by polymer content)
Average Molecular Weight (Mn)	As per customer grade requirement
Polydispersity Index (PDI)	Typically < 1.5
Moisture Content (KF)	≤ 1.0%
Residual Monomer (GC)	≤ 0.5%

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