Description

2-[(5,5-Dimethyl-2-Oxo-1,3,2Lambda~5~-Dioxaphosphinan-2-Yl)Methyl]-5,5-Dimethyl-1,3,2Lambda~5~-Dioxaphosphinan-2-One is a high-purity, specialized organophosphorus compound, CAS 59609-07-3, valued for its role as a versatile chemical intermediate. Its unique cyclic phosphonate structure makes it a critical building block for synthesizing advanced materials and fine chemicals. This product is essential for R&D and production teams in the pharmaceutical, agrochemical, and polymer industries seeking to develop novel compounds with enhanced properties.

Application

This organophosphorus intermediate is utilized in a variety of advanced chemical synthesis and material science applications. Key uses include:

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring complex phosphorus-containing scaffolds.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, insecticides, and plant growth regulators where phosphorus chemistry is central to bioactivity.
• Ligand and Catalyst Preparation: Acts as a starting material for creating specialized phosphonate-based ligands used in homogeneous catalysis and metal complexation.
• Flame Retardant Synergist: Employed in the formulation of advanced, halogen-free flame retardant systems for polymers and textiles.
• Polymer Modification: Incorporated as a monomer or additive to impart specific properties like improved thermal stability or adhesion to specialty polymers and coatings.
• Research & Development: A valuable tool for academic and industrial chemists exploring new reactions and properties in organophosphorus chemistry.

Basic Information

Product Name	2-[(5,5-Dimethyl-2-Oxo-1,3,2Lambda~5~-Dioxaphosphinan-2-Yl)Methyl]-5,5-Dimethyl-1,3,2Lambda~5~-Dioxaphosphinan-2-One
CAS No.	59609-07-3
Molecular Formula	C11H20O6P2
Molecular Weight	310.22 g/mol
Synonyms	Bis(5,5-dimethyl-2-oxo-1,3,2λ⁵-dioxaphosphinan-2-yl)methane; 2,2'-(Methylenebis(oxy))bis(5,5-dimethyl-1,3,2λ⁵-dioxaphosphinane 2-oxide); Methylenebis(5,5-dimethyl-2-oxo-1,3,2-dioxaphosphinane); Phosphonic acid, P,P'-[methylenebis(oxy-5,5-dimethyl-2,1-phenylene)]P,P'-dioxide; Cyclic methylene diphosphonate; DMDP (abbreviation); Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our production of 2-[(5,5-Dimethyl-2-Oxo-1,3,2Lambda~5~-Dioxaphosphinan-2-Yl)Methyl]-5,5-Dimethyl-1,3,2Lambda~5~-Dioxaphosphinan-2-One adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and titration, to ensure identity, purity, and consistency meet exacting customer and research-grade specifications. Certificates of Analysis (COA) documenting all critical quality attributes are provided and available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to exclude moisture and prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Melting Point	Contact for details
Residue on Ignition	≤ 0.1%

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