Description

4-Cyclohexene-1,2-dicarboxylic acid, reaction products with hexahydro-1,3-isobenzofurandione, (methylphenoxy)methyloxirane, phthalic anhydride and 3a,4,7,7a-tetrahydro-1,3-isobenzofurandione CAS NO 73612-25-6 is a high-performance, multi-component synthetic resin intermediate designed for advanced polymer formulations. This specialized chemical is engineered to impart enhanced thermal stability, mechanical strength, and chemical resistance to final products. It is a critical raw material for manufacturers in the coatings, adhesives, and advanced composite materials industries seeking to develop high-durability end-use products.

Application

• High-Performance Industrial Coatings: Used as a key resin component in epoxy and polyester-based coatings for automotive, aerospace, and marine applications requiring superior corrosion and chemical resistance.
• Advanced Composite Materials: Serves as a cross-linking agent or modifier in fiber-reinforced plastics (FRP) and structural composites, enhancing interlaminar shear strength and thermal performance.
• Electrical Insulating Varnishes and Encapsulants: Employed in formulations for potting compounds, impregnating resins, and insulating coatings for motors, transformers, and electronic components.
• Specialty Adhesives and Sealants: Acts as a reactive diluent or toughness modifier in structural adhesives, providing improved bond strength and flexibility under thermal stress.
• Decorative and Functional Powder Coatings: A component in resin blends for powder coatings applied to appliances, furniture, and architectural metals, offering excellent flow and finish durability.

Basic Information

Product Name	4-Cyclohexene-1,2-dicarboxylic acid, reaction products with hexahydro-1,3-isobenzofurandione, (methylphenoxy)methyloxirane, phthalic anhydride and 3a,4,7,7a-tetrahydro-1,3-isobenzofurandione
CAS No.	73612-25-6
Molecular Formula	Complex Mixture / Polymer
Molecular Weight	Contact for details
Synonyms	Cyclohex-4-ene-1,2-dicarboxylic acid, polymer with 4,5-epoxytetrahydrophthalic anhydride, 3a,4,7,7a-tetrahydro-1,3-isobenzofurandione, hexahydro-1,3-isobenzofurandione and (methylphenoxy)methyloxirane; Epoxy resin hardener; Modified epoxy resin adduct; Tetrahydrophthalic anhydride-epoxy adduct; Cycloaliphatic epoxy hardener; Multi-functional epoxy curing agent; Polymeric epoxy modifier; CAS 73612-25-6
EINECS	Contact for details

Quality Control

Our production of 4-Cyclohexene-1,2-dicarboxylic acid, reaction products with hexahydro-1,3-isobenzofurandione, (methylphenoxy)methyloxirane, phthalic anhydride and 3a,4,7,7a-tetrahydro-1,3-isobenzofurandione adheres to a strict quality management system to ensure batch-to-batch consistency and performance reliability. All products undergo rigorous analytical testing, including viscosity, epoxy equivalent weight (EEW), acid value, and color determination. Certificates of Analysis (COA) documenting key specifications are provided with every shipment to support your quality assurance protocols.

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 / 59-77°F). Keep away from heat, sparks, and open flame. Containers should be kept tightly sealed when not in use to prevent moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Viscous liquid to semi-solid
Color (Gardner)	≤ 4
Epoxy Equivalent Weight (EEW)	Contact for details
Viscosity @ 25°C	Contact for details
Acid Value (mg KOH/g)	≤ 5.0
Non-Volatile Content	≥ 98.0%
Identification (IR)	Conforms

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