Description

Oxydiethylene Bis[(3-Isocyanatomethylphenyl)Carbamate] is a specialized aromatic diisocyanate derivative, serving as a high-performance building block for advanced polymer synthesis. This compound is valued for its ability to impart enhanced durability, chemical resistance, and tailored mechanical properties to final materials. It is primarily required by manufacturers in the polyurethane, coatings, adhesives, and specialty elastomers industries seeking to develop next-generation products.

Application

• Polyurethane Elastomers: As a key monomer for producing high-performance, wear-resistant elastomers used in industrial rollers, seals, and gaskets.
• Specialty Coatings & Paints: Imparts excellent weatherability, chemical resistance, and hardness in industrial and protective coating formulations.
• Adhesives & Sealants: Used in formulating high-strength, structural adhesives and flexible sealants for automotive and construction applications.
• Composite Materials: Acts as a cross-linking agent in fiber-reinforced plastics (FRP) and other composite systems to enhance matrix properties.
• Automotive Components: For the synthesis of polyurethane parts requiring a balance of flexibility, impact resistance, and dimensional stability.
• Industrial Resins: Serves as a reactive intermediate in the production of various high-performance industrial resins.

Basic Information

Item	Details
Product Name	Oxydiethylene Bis[(3-Isocyanatomethylphenyl)Carbamate]
CAS No.	60732-52-7
Molecular Formula	C22H24N4O6
Molecular Weight	440.45 g/mol
Synonyms	1,1'-(Oxydi-2,1-ethanediyl) Bis[3-[(isocyanatomethyl)phenyl] Carbamate]; Bis(3-isocyanatomethylphenyl) Oxydiethylene Dicarbamate; Isocyanate-terminated aromatic urethane prepolymer; Aromatic diisocyanate urethane adduct; Desmodur® E 305 (analogous product class); Urethane-modified MDI derivative; Oxydiethylene bis(3-isocyanatomethylphenylcarbamate); Bis(3-isocyanatomethylphenyl) ester of diethylene glycol bis(carbamate)
EINECS	Contact for details

Quality Control

Our production of Oxydiethylene Bis[(3-Isocyanatomethylphenyl)Carbamate] adheres to a stringent quality management system. Every batch is analyzed to ensure consistent purity, reactivity, and performance, with key parameters monitored via advanced analytical techniques. Certificates of Analysis (COA) documenting assay, isocyanate content, viscosity, and color are provided to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. This product is hygroscopic (moisture-sensitive) and must be stored under a dry, inert atmosphere (e.g., nitrogen blanket) in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C to maintain optimal stability and prevent premature polymerization. Keep away from heat, sparks, open flames, and sources of moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (NCO Content)	≥ 95.0%
Purity (HPLC)	≥ 98.0%
Viscosity @ 25°C	Contact for details
Color (Gardner)	≤ 3
Moisture (Karl Fischer)	≤ 0.1%

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