Description

Adipic Anhydride is a high-purity chemical intermediate derived from adipic acid, serving as a versatile building block for advanced synthesis. Its primary value lies in its reactivity as an anhydride, enabling efficient acylation and polymerization reactions under controlled conditions. This compound is essential for manufacturers in the polymer, pharmaceutical, and specialty chemical industries seeking to produce high-performance materials, active pharmaceutical ingredients (APIs), and functional additives.

Application

• Polymer Synthesis: A key monomer for the production of specialized polyesters, polyamides, and alkyd resins, imparting specific mechanical and thermal properties.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, where its anhydride group facilitates controlled derivatization.
• Crosslinking Agent: Functions as an effective crosslinker for epoxy resins and other thermosetting polymers, enhancing durability and chemical resistance.
• Organic Synthesis: Serves as an acylating agent in fine chemical and academic research for introducing the adipoyl moiety into target molecules.
• Plasticizer and Modifier Production: A precursor for manufacturing ester-based plasticizers and polymer modifiers that improve flexibility and processing.
• Adhesive & Coating Formulations: Incorporated into high-performance adhesive and coating systems to improve adhesion, hardness, and environmental stability.

Basic Information

Product Name	Adipic Anhydride
CAS No.	2035-75-8
Molecular Formula	C6H8O3
Molecular Weight	128.13 g/mol
Synonyms	Adipic Acid Anhydride; 1,6-Hexanedioic Anhydride; Adipoyl Anhydride; Anhydride of Adipic Acid; Adipic Anhydride; Adipic Acid Cyclic Anhydride; Hexanedioic Anhydride; Adipic Anhydride (cyclic)
EINECS	218-004-7

Quality Control

Our Adipic Anhydride is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, impurity profiling, and physical characterization, to meet exacting customer requirements. A Certificate of Analysis (COA) detailing all test results is 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 a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent hydrolysis. Keep away from incompatible materials such as strong bases, amines, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	50 - 55 °C
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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