Description

4,8-Dioxaundecane-1,11-diol is a high-purity, linear diol featuring internal ether linkages, offering a unique combination of hydrophilicity and flexibility. This bifunctional monomer is valued for its role as a versatile building block in advanced polymer synthesis, enabling precise control over material properties. It is primarily sought by R&D and production teams in the specialty chemical, pharmaceutical intermediate, and performance polymer industries.

Application

• Polymer Synthesis: A key monomer for producing polyesters, polyurethanes, and polyethers with tailored flexibility and hydrophilicity.
• Pharmaceutical Intermediates: Serves as a crucial building block in the synthesis of complex drug molecules and prodrugs requiring specific solubility profiles.
• Crosslinking Agent: Used in formulations for coatings, adhesives, and sealants to modify network density and physical properties.
• Surfactant & Emulsifier Precursor: The diol structure is utilized to synthesize non-ionic surfactants for specialized industrial applications.
• Organic Synthesis: Acts as a protected or functionalized linker in multi-step synthetic routes for fine chemicals.
• Material Science Research: Employed in developing novel biodegradable polymers and hydrogels for medical and environmental applications.

Basic Information

Product Name	4,8-Dioxaundecane-1,11-diol
CAS No.	4161-32-4
Molecular Formula	C9H20O4
Molecular Weight	192.25 g/mol
Synonyms	3,6,9-Trioxaundecane-1,11-diol; Diethylene glycol dipropanol; 1,11-Bis(2-hydroxyethoxy)-3,6-dioxanonane; 2,2'-[Oxybis(2,1-ethanediyloxy)]diethanol; 3,6,9-Trioxaundecanediol; PEG-dipropanol; Bis(2-hydroxyethyl) ether dipropanol
EINECS	224-005-5

Quality Control

Our 4,8-Dioxaundecane-1,11-diol is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with key parameters including assay, water content, and identification. Specifications can be aligned with cGMP and ISO 9001 standards for critical applications.

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). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen) to prevent moisture absorption and oxidation.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.455 - 1.465
Density (20°C)	1.08 - 1.12 g/mL

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