Description

1,1'-(Methylphosphinylidene)Bis[2-Methylaziridine] is a specialized organophosphorus compound containing two reactive aziridine rings, known for its utility as a cross-linking agent and monomer in advanced polymer synthesis. This compound matters for its ability to introduce phosphorus and nitrogen functionalities into polymer backbones, enhancing properties like flame retardancy, adhesion, and thermal stability. It is primarily needed by manufacturers in the coatings, adhesives, and specialty polymer industries seeking to develop high-performance materials.

Application

• Cross-linking Agent for Epoxy Resins: Used to modify and cure epoxy systems, improving their chemical resistance and mechanical properties for high-performance coatings and composites.
• Flame Retardant Additive: Incorporated into polymers such as polyurethanes, polyesters, and acrylics to impart flame-retardant characteristics due to its phosphorus-nitrogen synergistic effect.
• Adhesive Formulation: Serves as a reactive component in structural and specialty adhesive formulations to enhance bond strength and durability.
• Surface Modifier/Coupling Agent: Used to functionalize surfaces of fillers (e.g., silica, glass fibers) to improve their compatibility and adhesion within polymer matrices.
• Pharmaceutical Intermediate: Employed in the synthesis of complex molecules and active pharmaceutical ingredients (APIs) requiring aziridine or phosphine oxide motifs.
• Textile Finishing Agent: Applied to confer durable flame-retardant or water-repellent finishes to fabrics and technical textiles.

Basic Information

Product Name	1,1'-(Methylphosphinylidene)Bis[2-Methylaziridine]
CAS No.	60671-03-6
Molecular Formula	C9H17N2OP
Molecular Weight	200.22 g/mol
Synonyms	Methylenebis(2-methylaziridine) phosphine oxide; Bis(2-methylaziridin-1-yl)methylphosphine oxide; 1,1'-(Methylphosphinylidene)bis(2-methylaziridine); Phosphine oxide, P,P'-methylenebis[N-(2-methylaziridine)]; 2-Methylaziridine, 1,1'-(methylphosphinylidene)bis-; NSC 169015; Aziridine crosslinker; Reactive phosphorus-nitrogen monomer.
EINECS	Contact for details

Quality Control

Our production of 1,1'-(Methylphosphinylidene)Bis[2-Methylaziridine] adheres to stringent quality protocols to ensure batch-to-batch consistency and reliability for industrial applications. Each lot is characterized using advanced analytical techniques, and a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided. We support our clients' compliance needs and are committed to meeting the specifications required for research, pharmaceutical intermediate, and polymer-grade applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This compound is moisture-sensitive; keep the container tightly sealed under an inert atmosphere (e.g., nitrogen) to prevent degradation. Isolate from strong acids, strong bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 4.0%
Specific Gravity (20°C)	1.10 - 1.20

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