Description

Bis(1-Aziridinyl)Phosphinic Acid Butyl Ester is a specialized organophosphorus compound containing reactive aziridinyl groups. This structure makes it a valuable intermediate for introducing cross-linking and reactive amine functionalities into polymers and coatings. It is primarily sought by R&D and production teams in the polymer, specialty chemical, and pharmaceutical industries for applications requiring controlled reactivity and modification of material properties.

Application

• Cross-linking Agent: Used in the formulation of specialty polymers, resins, and coatings to enhance thermal stability, chemical resistance, and mechanical strength.
• Chemical Intermediate: Serves as a key building block in organic synthesis for pharmaceuticals and agrochemicals, particularly for introducing phosphinic acid ester and amine functionalities.
• Textile Finishing: Imparts durable, flame-retardant, or water-repellent properties to fabrics and fibers.
• Adhesive & Sealant Formulations: Modifies the curing profile and final properties of high-performance adhesives.
• Paper & Pulp Chemicals: Utilized in processes to improve wet-strength or other specific performance characteristics of paper products.
• Research & Development: Employed in academic and industrial labs for developing novel materials with tailored reactive sites.

Basic Information

Product Name	Bis(1-Aziridinyl)Phosphinic Acid Butyl Ester
CAS No.	2486-93-3
Molecular Formula	C10H21N2O2P
Molecular Weight	232.26 g/mol
Synonyms	Butyl Bis(1-aziridinyl)phosphinate; Butyl Bis(ethyleneimino)phosphinate; Phosphinic Acid, P,P-Bis(1-aziridinyl)-, Butyl Ester; Aziridine, 1,1'-(butylphosphinylidene)bis-; NSC 522154; Bis(aziridin-1-yl)butoxyphosphine oxide; Butyl P,P-Bis(1-aziridinyl)phosphinate
EINECS	219-639-7

Quality Control

Our Bis(1-Aziridinyl)Phosphinic Acid Butyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including assay and impurity profile determination by techniques such as HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications 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, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.08 - 1.12
Refractive Index (20°C)	1.470 - 1.480

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