Description

Bis(2-Isocyanatoethyl)Bicyclo[2.2.1]Hept-5-Ene-2,3-Dicarboxylate is a specialized, high-performance aliphatic diisocyanate monomer derived from a norbornene dicarboxylic acid core. This compound matters for its unique combination of reactivity, thermal stability, and the ability to impart toughness and weatherability to final polymer products. It is primarily needed by manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as for advanced composite materials requiring durable, light-stable properties.

Application

• As a key building block for high-performance, light-stable polyurethane coatings and finishes.
• In the formulation of advanced adhesives and sealants with enhanced chemical and environmental resistance.
• For the synthesis of specialty elastomers requiring excellent mechanical properties and durability.
• As a crosslinking agent in UV-curable resin systems for electronics and optical applications.
• In the production of composite materials for automotive and aerospace components.
• For manufacturing waterborne polyurethane dispersions (PUDs) with low yellowing tendency.
• As a reactive intermediate in the synthesis of pharmaceutical and agrochemical active ingredients.

Basic Information

Product Name	Bis(2-Isocyanatoethyl)Bicyclo[2.2.1]Hept-5-Ene-2,3-Dicarboxylate
CAS No.	22637-13-4
Molecular Formula	C₁₇H₁₈N₂O₆
Molecular Weight	346.34 g/mol
Synonyms	Bis(2-isocyanatoethyl) 5-norbornene-2,3-dicarboxylate; Norbornene Diisocyanate Ester; 5-Norbornene-2,3-dicarboxylic Acid Bis(2-isocyanatoethyl) Ester; 2,5(6)-Bis(isocyanatoethyl) Bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylate; NDI Ester; NBDA-based Diisocyanate; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of Bis(2-Isocyanatoethyl)Bicyclo[2.2.1]Hept-5-Ene-2,3-Dicarboxylate adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistent purity, reactivity, and performance. Certificates of Analysis (COA) documenting key parameters such as assay, isocyanate content, and impurity profiles are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures recommended for isocyanate handling (typically 15-25°C). This product is hygroscopic (moisture-sensitive) and must be protected from atmospheric moisture to prevent polymerization and loss of reactivity. Keep away from heat, sparks, open flames, and incompatible materials such as alcohols, amines, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (NCO Content)	≥ 24.0 %
Purity (HPLC)	≥ 98.0 %
Hydrolyzable Chloride	≤ 0.01 %
Viscosity (25°C)	Contact for details
Specific Gravity (25°C)	Contact for details

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