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Hexahydrophthalic Anhydride (HHPA), identified by its CAS number 85-42-7, is a cyclic anhydride with a unique set of chemical properties that make it highly valuable across various industrial sectors. Its molecular structure, C8H10O3, and molecular weight of 154.16 contribute to its reactivity and utility as a chemical intermediate and curing agent.
Physically, HHPA typically appears as a light yellow transparent oily liquid or a white crystalline powder, with a melting point around 32-34°C and a boiling point of approximately 158°C at 17 mmHg. It exhibits good solubility in common organic solvents like acetone, ethanol, and ethyl acetate, while having limited solubility in petroleum ether. Its stability under normal storage conditions, though sensitive to moisture, makes it manageable for industrial use.
The primary utility of HHPA stems from its anhydride functionality. This reactive group allows it to readily participate in ring-opening reactions, making it an excellent curing agent for epoxy resins. When reacted with epoxy resins, HHPA forms a rigid, cross-linked polymer network, imbuing the final product with excellent thermal stability, superior electrical insulation, and impressive chemical resistance. This makes it indispensable for applications in electronics, high-performance composites, and durable coatings.
Beyond epoxy curing, HHPA serves as a crucial intermediate in the synthesis of various other chemical products. It is used in the production of specialized alkyd and polyester resins, which find extensive use in the paint and coatings industry. Furthermore, it is a key component in the formulation of plasticizers, contributing to improved flexibility and processability in polymers, and is also employed as an intermediate for rust prevention agents and insecticides.
For businesses seeking to leverage these chemical properties, understanding the applications and ensuring a reliable supply is paramount. As a dedicated manufacturer and supplier, we provide high-quality Hexahydrophthalic Anhydride that meets stringent industry standards. For those looking to purchase this versatile chemical, exploring our offerings can provide access to consistent quality and competitive pricing, enabling you to harness the full potential of HHPA in your specific applications.
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1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.
