Description

3,6,9-Trioxaundecamethylenediamine is a versatile, high-purity polyether diamine featuring a hydrophilic polyoxyethylene spacer between its terminal amine groups. This unique molecular structure makes it a valuable building block for creating advanced polymers with tailored properties. It is particularly sought after by formulators and researchers in the specialty chemical, polymer, and pharmaceutical industries for its ability to impart flexibility, hydrophilicity, and reactivity into final products.

Application

• As a curing agent or chain extender in the synthesis of polyurethanes and polyureas, enhancing flexibility and moisture resistance.
• As a hydrophilic modifier for epoxy resins, improving their adhesion and compatibility with aqueous systems.
• As a key monomer in the production of specialty surfactants and dispersants for coatings, inks, and agrochemical formulations.
• In the synthesis of functionalized polymers and dendrimers for biomedical and drug delivery applications.
• As a chelating agent precursor for metal ion sequestration in various industrial processes.
• For research and development of advanced materials, including hydrogels, membranes, and conductive polymers.

Basic Information

Product Name	3,6,9-Trioxaundecamethylenediamine
CAS No.	929-75-9
Molecular Formula	C11H26N2O3
Molecular Weight	234.34 g/mol
Synonyms	4,7,10-Trioxatridecane-1,13-diamine; Jeffamine® EDR-148; Polyoxypropylene diamine (MW ~230); 2,2'-(Ethylenedioxy)bis(ethylamine) dimer; Bis(2-(2-aminoethoxy)ethyl) ether; 3,6,9-Trioxa-1,11-undecanediamine; PEG diamine (n~3); Amino-terminated poly(ethylene glycol) derivative
EINECS	213-195-4

Quality Control

Our 3,6,9-Trioxaundecamethylenediamine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including assay, impurity profiling, and physical property verification, to ensure it meets precise specifications for high-performance applications. A comprehensive Certificate of Analysis (COA) documenting purity, identity, and key parameters is provided with every shipment to guarantee traceability and consistency.

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). Minimize exposure to air and moisture during handling to prevent degradation. Keep away from strong oxidizing agents and acids.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or Titration)	≥ 98.0 %
Water Content (KF)	≤ 0.5 %
Color (APHA)	≤ 50
Primary Amine Value	Contact for details
Density at 20°C	~1.02 g/mL

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