Description

Oxydiethylene Bis[[4-[(4-Isocyanatophenyl)Methyl]Phenyl]Carbamate] is a specialized aromatic diisocyanate derivative, serving as a high-performance building block in advanced polymer synthesis. Its molecular structure, featuring two reactive isocyanate groups separated by a flexible oxydiethylene spacer, is engineered to impart specific mechanical and thermal properties to final materials. This compound is essential for industrial R&D and production in sectors requiring tailored polyurethane and polyurea chemistries.

Application

• As a key monomer in the synthesis of high-performance, cross-linked polyurethane elastomers and coatings.
• In the formulation of specialty adhesives and sealants requiring enhanced chemical resistance and durability.
• For the production of advanced thermosetting resins used in composite materials for automotive and aerospace components.
• As a cross-linking agent in the manufacture of industrial-grade paints, varnishes, and protective coatings.
• In R&D for developing novel polymer networks with specific optical, thermal, or mechanical properties.
• For the modification of existing polymer backbones to introduce urethane linkages and improve material performance.

Basic Information

Product Name	Oxydiethylene Bis[[4-[(4-Isocyanatophenyl)Methyl]Phenyl]Carbamate]
CAS No.	71832-70-7
Molecular Formula	C34H30N4O6
Molecular Weight	590.63 g/mol
Synonyms	1,1'-(Oxydi-2,1-ethanediyl) Bis[4-[(4-isocyanatobenzyl)phenyl] carbamate]; Bis(4-isocyanatobenzyl)phenyl Oxydiethylene Dicarbamate; 4,4'-[Oxybis(ethane-2,1-diyloxycarbonylimino)]dibenzyl 1,4-phenylene diisocyanate; Diisocyanate-terminated oxydiethylene dicarbamate derivative; Aromatic diisocyanate extender; PU crosslinker 71832-70-7
EINECS	Contact for details

Quality Control

Our Oxydiethylene Bis[[4-[(4-Isocyanatophenyl)Methyl]Phenyl]Carbamate] is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure consistency, purity, and performance. A Certificate of Analysis (COA) detailing key parameters such as assay, isocyanate content, and impurity profile is provided with every shipment to guarantee it meets your specific application requirements.

Storage

Preserve in a tightly closed, moisture-proof container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 2°C and 8°C (under refrigeration) to maintain stability and prevent premature polymerization or degradation. Keep away from heat, open flames, and incompatible materials such as alcohols, amines, and water.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Isocyanate Content (NCO)	13.5 - 14.5 %
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm

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