Description

Azelaic Dihydrazide is a high-purity, linear aliphatic dihydrazide compound, identified by CAS NO 4080-95-9. This specialty chemical serves as a critical building block and cross-linking agent, valued for its bifunctional reactivity and ability to form stable, high-performance polymers and coatings. It is essential for manufacturers in the polymer, adhesives, and specialty chemical industries seeking to enhance material durability and thermal stability.

Application

• Polymer Cross-Linking Agent: Used in the production of polyurethanes, polyamides, and epoxy resins to improve mechanical strength, chemical resistance, and thermal properties.
• Metal Deactivator & Stabilizer: Functions as a chelating agent in lubricants and polymer formulations to inhibit metal-catalyzed degradation and oxidation.
• Pharmaceutical Intermediate: Employed in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals requiring a linear di-functional linker.
• Adhesive & Sealant Formulations: Acts as a curing agent and modifier to enhance adhesion, flexibility, and longevity in high-performance adhesives.
• Corrosion Inhibitor Precursor: Used in the development of coatings and additives that protect metal surfaces from corrosion.
• Textile & Leather Auxiliary: Serves as a cross-linker in resin finishes for textiles and leather to improve wrinkle resistance and durability.

Basic Information

Product Name	Azelaic Dihydrazide
CAS No.	4080-95-9
Molecular Formula	C9H20N4O2
Molecular Weight	216.28 g/mol
Synonyms	Nonanedioic acid, dihydrazide; Azelaic acid dihydrazide; 1,9-Nonanedioic dihydrazide; Azelaoic dihydrazide; Azelaoyl dihydrazide; ADH; Nonanedioic dihydrazide
EINECS	223-795-8

Quality Control

Our Azelaic Dihydrazide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for industrial and fine chemical applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee consistency and reliability for your processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and easily oxidized; it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation and to minimize exposure to humid air.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	190 - 195 °C
Loss on Drying	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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