Description

Hexahydro-3,6-Methanophthalic Anhydride is a specialized, high-purity bicyclic anhydride used as a key building block in advanced polymer synthesis. Its rigid, hydrogenated structure is critical for enhancing the thermal stability, chemical resistance, and mechanical properties of final materials. This product is essential for manufacturers in the epoxy resin, specialty plastic, and high-performance coating industries seeking to develop superior, durable products.

Application

• Epoxy Resin Curing Agent: A core component for formulating high-performance, heat-resistant epoxy systems used in aerospace composites, electronic encapsulants, and industrial adhesives.
• Polyimide & Polyamide-Imide Synthesis: Serves as a critical monomer for producing high-temperature polymers essential for wire enamels, flexible circuits, and advanced insulating films.
• Alkyd & Saturated Polyester Resins: Used to modify resin properties, improving hardness, weatherability, and chemical resistance in industrial and automotive coatings.
• Plasticizer & Additive Intermediate: Acts as a precursor for synthesizing specialty plasticizers and additives that enhance flexibility and performance in PVC and other polymers.
• Chemical Intermediate for Pharmaceuticals & Agrochemicals: Provides the rigid anhydride core for synthesizing complex molecules in advanced fine chemical applications.

Basic Information

Product Name	Hexahydro-3,6-Methanophthalic Anhydride
CAS No.	6004-79-1
Molecular Formula	C9H10O3
Molecular Weight	166.17 g/mol
Synonyms	3,6-Epoxy-1,2,3,6-tetrahydrophthalic Anhydride; 3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1,3-dione; 4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro-; HHMPA; Methylnadic Anhydride (MNA) derivative; Bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic Anhydride, hexahydro-; Hexahydro-4,7-methanoinden-5,6-dicarboxylic Anhydride
EINECS	227-866-4

Quality Control

Our Hexahydro-3,6-Methanophthalic Anhydride is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including assay, impurity profile, and physical property verification, to ensure consistent purity and performance for your critical applications. A comprehensive Certificate of Analysis (COA) is provided with each shipment to guarantee traceability and compliance with your specifications.

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). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.5%
Melting Point	160 - 165 °C
Water Content (KF)	≤ 0.5%
Acid Value	Contact for details

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