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Product Line: Catalysts & Auxiliaries

Methylhexahydrophthalic anhydride

CAS 25550-51-0

Molecular structure of Methylhexahydrophthalic anhydride

CAS · 25550-51-0

01

Product Overview

Methylhexahydrophthalic anhydride is a high-purity adhesives-sealants supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

02

Product Specifications

Appearance Colorless liquid
Color 50 max
Viscosity (mPa·S, 25℃) 50 to 80
Content 98% min
Iodine Value 1 g/100g max
Freezing Point -15 ℃ max
Free Acid 1% max
03

Applications

Methylhexahydrophthalic anhydride (CAS 25550-51-0) is a highly reactive cyclic anhydride widely used in polymer, resin, and chemical industries. Its primary applications include serving as a curing agent and crosslinker for epoxy resins, polyester resins, and other thermosetting polymers. It is commonly employed in coatings, adhesives, laminates, and composite materials where rapid and controlled curing is required. Additionally, it is used as an intermediate in the synthesis of plasticizers, specialty chemicals, and fine chemicals, providing functionalization opportunities through its anhydride moiety.

04

Benefits

The benefits of methylhexahydrophthalic anhydride arise from its high reactivity, chemical stability, and versatility. Its cyclic anhydride structure allows fast and efficient reactions with amines, alcohols, and other nucleophiles, leading to strong, heat-resistant crosslinked networks in polymers. It imparts excellent mechanical properties, chemical resistance, and thermal stability to cured materials. Moreover, its relatively low viscosity and solubility in common organic solvents make it easy to handle and incorporate into formulations. These properties make it suitable for both industrial-scale production and laboratory applications.

05

Conclusion

In conclusion, methylhexahydrophthalic anhydride is a valuable curing agent and chemical intermediate for epoxy resins, coatings, adhesives, and specialty chemicals. Its high reactivity, stability, and versatility enable efficient crosslinking and functionalization, enhancing material performance. By supporting durable, heat-resistant, and chemically stable polymers, it plays a key role in modern materials science and industrial chemistry.

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