Description

4-Cyclohexene-1,2-dicarboxylic acid, reaction products with hexahydro-1,3-isobenzofurandione, 1,3-isobenzofurandione, 4,4'-methylenebis[benzeneamine], [(2-methylphenoxy)methyl]oxirane, m-phenylenediamine and 3a,4,7,7a-tetrahydro-1,3-isobenzofurandione is a high-performance, multi-component polymeric resin intermediate designed for demanding industrial applications. This specialized compound is valued for its ability to impart enhanced thermal stability, chemical resistance, and mechanical properties to advanced polymer systems. It is a critical raw material for manufacturers in the coatings, adhesives, and advanced composite materials sectors seeking to develop superior-performance end products.

Application

• High-Performance Industrial Coatings: Used as a curing agent or resin modifier in epoxy-based coatings for marine, automotive, and industrial maintenance applications, providing excellent corrosion and chemical resistance.
• Advanced Composite Materials: Serves as a matrix resin component or hardener in fiber-reinforced plastics (FRP) for aerospace, wind energy, and automotive structural parts.
• Electrical Encapsulation & Potting: Employed in formulating epoxy systems for potting and encapsulating electronic components, offering reliable insulation and protection against thermal and mechanical stress.
• Structural Adhesives: A key ingredient in high-strength, durable epoxy adhesives used in construction, transportation, and assembly of bonded structures.
• Specialty Molding Compounds: Utilized in the production of compression and transfer molding compounds for electrical insulators and high-heat components.
• Protective Linings & Floorings: Formulated into heavy-duty, chemical-resistant linings for tanks, pipes, and industrial flooring systems.

Basic Information

Item	Details
Product Name	4-Cyclohexene-1,2-dicarboxylic acid, reaction products with hexahydro-1,3-isobenzofurandione, 1,3-isobenzofurandione, 4,4'-methylenebis[benzeneamine], [(2-methylphenoxy)methyl]oxirane, m-phenylenediamine and 3a,4,7,7a-tetrahydro-1,3-isobenzofurandione
CAS No.	139682-58-9
Molecular Formula	Complex Polymer / Mixture
Molecular Weight	Contact for details
Synonyms	Epoxy curing agent based on cycloaliphatic and aromatic amines; Modified cycloaliphatic amine adduct; Multi-functional epoxy hardener; Reaction product of methylhexahydrophthalic anhydride, methyltetrahydrophthalic anhydride, phthalic anhydride, methylenedianiline, cresyl glycidyl ether, and m-phenylenediamine; Epoxy resin hardener 139682-58-9; Cycloaliphatic-Aromatic Amine Adduct; MHHPA-MTHPA-PA-MDA-CGE-MPDA adduct
EINECS	Contact for details

Quality Control

Our production of this advanced epoxy curing agent adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. Key parameters such as amine value, viscosity, epoxy equivalent weight (EEW), and color are rigorously monitored. A comprehensive Certificate of Analysis (COA) detailing all relevant specifications is provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Containers should be kept tightly sealed when not in use to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Viscous liquid
Color (Gardner)	≤ 12
Viscosity @ 25°C	Contact for details
Amine Value (mg KOH/g)	Contact for details
Epoxy Equivalent Weight (EEW)	Contact for details
Non-Volatile Content	≥ 99%
Flash Point	> 150°C

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