Description

5,5-Dimethyl-2-(2,4,6-Trimethylphenoxy)-1,3,2-Dioxaphosphorinane 2-Oxide is a specialized organophosphorus compound with a cyclic phosphonate structure. This chemical is valued as a key intermediate and functional additive in advanced material synthesis, offering unique reactivity and performance characteristics. It is primarily sought by R&D chemists and process engineers in the polymer, agrochemical, and pharmaceutical industries for developing novel products and enhancing material properties.

Application

• Polymer Additive: Acts as a flame retardant synergist or a stabilizer in engineering plastics and high-performance polymers.
• Chemical Intermediate: Serves as a crucial building block for synthesizing more complex organophosphorus ligands, catalysts, or active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of novel pesticides and herbicides, leveraging its phosphorus-based bioactive core.
• Ligand for Catalysis: Potential application in the development of metal-organic catalysts for asymmetric synthesis and other specialty chemical manufacturing processes.
• Material Science Research: Employed in academic and industrial R&D for creating new functional materials with tailored thermal or chemical resistance.

Basic Information

Product Name	5,5-Dimethyl-2-(2,4,6-Trimethylphenoxy)-1,3,2-Dioxaphosphorinane 2-Oxide
CAS No.	72018-09-8
Molecular Formula	C15H23O4P
Molecular Weight	298.31 g/mol
Synonyms	2-(2,4,6-Trimethylphenoxy)-5,5-dimethyl-1,3,2-dioxaphosphorinane 2-oxide; 5,5-Dimethyl-2-(mesityloxy)-1,3,2-dioxaphosphorinane 2-oxide; Cyclic Mesityl Phosphonate; DOPO-Mesityl Derivative; 1,3,2-Dioxaphosphorinane, 2-(2,4,6-trimethylphenoxy)-5,5-dimethyl-, 2-oxide
EINECS	Contact for details

Quality Control

Our production of 5,5-Dimethyl-2-(2,4,6-Trimethylphenoxy)-1,3,2-Dioxaphosphorinane 2-Oxide adheres to stringent in-process controls to ensure batch-to-batch consistency and high purity. Each lot is fully characterized and tested against established internal specifications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong oxidizing agents and strong bases. The container should be kept tightly sealed in a dry environment to minimize moisture exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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