Description

1,1'-Isosebacoylbis(2-Ethylaziridine) is a specialized bifunctional aziridine derivative, serving as a highly effective crosslinking agent and polymer modifier. Its core value lies in its ability to introduce reactive aziridine rings into polymer backbones, enabling the formation of durable, chemically resistant networks. This compound is essential for manufacturers in the coatings, adhesives, and specialty polymer industries seeking to enhance product performance through advanced crosslinking chemistry. The CAS number for this compound is 25853-47-8.

Application

• Crosslinking Agent for Coatings: Imparts superior scratch, chemical, and solvent resistance to industrial and automotive coatings.
• Adhesive Formulation: Enhances the cohesive strength, thermal stability, and durability of high-performance structural and laminating adhesives.
• Polymer Modification: Used to modify carboxylated polymers (e.g., acrylics, polyurethanes) to improve film properties and mechanical strength.
• Textile Finishing: Acts as a durable press reagent and crosslinker for textile resins, improving fabric wrinkle resistance and dimensional stability.
• Paper Sizing & Coatings: Contributes to wet-strength and improved printability in specialty paper products.
• Fiber-Reinforced Composites: Serves as a coupling agent or crosslinker in composite materials to enhance interfacial adhesion between fibers and polymer matrices.

Basic Information

Product Name	1,1'-Isosebacoylbis(2-Ethylaziridine)
CAS No.	25853-47-8
Molecular Formula	C18H32N2O2
Molecular Weight	308.46 g/mol
Synonyms	1,1'-(1,8-Octanedioyl)bis(2-ethylaziridine); Bis(2-ethyl-1-aziridinyl) isosebacoyl; 2-Ethylaziridine isosebacoyl dimer; Isosebacoyl bis(2-ethylaziridine); Crosslinking agent XA; Aziridine derivative crosslinker; Polyfunctional aziridine; HX-868 (common trade name)
EINECS	Contact for details

Quality Control

Our production of 1,1'-Isosebacoylbis(2-Ethylaziridine) adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to ensure consistency and high purity suitable for industrial applications. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong acids and oxidizing agents. Due to its reactivity, ensure containers are kept tightly sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0 %
Water Content (KF)	≤ 0.5 %
Specific Gravity (20°C)	0.98 - 1.02
Refractive Index (20°C)	1.480 - 1.490

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