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Adipic acid, or hexanedioic acid, is a fascinating molecule whose chemical structure dictates its widespread utility. As a linear dicarboxylic acid, it possesses two carboxyl groups (-COOH) separated by a four-carbon aliphatic chain. This structure, HOOC-(CH2)4-COOH, is the foundation for its behavior as a moderately strong acid and its ability to readily form esters and amides, which are key to its role in polymerization.
The molecular architecture of adipic acid provides specific physical and chemical properties that are leveraged across industries. Its crystalline powder form, white appearance, and relatively stable nature at room temperature are advantageous for storage and handling. The melting point of 151-154°C signifies its solid state under typical ambient conditions. In aqueous solutions, adipic acid exhibits buffering capabilities, particularly in the pH range of 2.5-3.0, which is exploited in some food products and industrial processes.
The primary driver for adipic acid production globally is its indispensable role in the manufacture of Nylon 6,6. The reaction between adipic acid and hexamethylenediamine under controlled conditions results in the formation of polyamide chains. The specific arrangement and bonding within these chains, stemming from the molecular geometry of adipic acid, impart Nylon 6,6 its characteristic strength, durability, and thermal resistance. This makes it a vital component in automotive engineering, textiles, and consumer electronics.
In the food industry, the scientific properties of adipic acid contribute to its function as an acidulant and flavor enhancer. Its slightly sweet to tart taste profile, combined with its effervescent quality, enhances the sensory experience of beverages and confectionery. As a gelling agent, it aids in creating stable gel structures in jams, jellies, and desserts. The low moisture absorption of adipic acid compared to some other food acids also makes it suitable for dry mixes and powdered products.
Understanding the science behind adipic acid, including its CAS number (124-04-9) and chemical formula, is crucial for both R&D and procurement professionals. This knowledge allows for better prediction of its behavior in different formulations and processes, ensuring optimal product performance. When seeking to buy adipic acid, focusing on suppliers who can provide detailed technical data sheets and Certificates of Analysis ensures that the product's scientific integrity meets the required application standards.
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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.
