Description

Phenyl Phosphorodichloridite CAS NO 3426-89-9 is a key organophosphorus reagent widely used as a versatile building block in organic synthesis. Its primary value lies in its role as a precursor for the preparation of phosphite ligands, phosphonates, and other phosphorus-containing compounds critical for advanced materials and pharmaceuticals. This high-purity intermediate is essential for research and production in sectors such as agrochemicals, pharmaceuticals, and specialty polymer manufacturing, where precise chemical functionality is required.

Application

• Phosphite Ligand Synthesis: A crucial precursor for creating chiral and achiral phosphite ligands used in asymmetric catalysis and homogeneous catalysis.
• Agrochemical Intermediates: Serves as a key building block in the synthesis of organophosphate insecticides, herbicides, and plant growth regulators.
• Pharmaceutical Active Ingredients: Used in the production of nucleotide analogs, antiviral agents, and other bioactive phosphorus compounds.
• Flame Retardant Precursor: An intermediate in the manufacture of phosphorus-based flame retardants for polymers and textiles.
• Polymer Modification: Employed in the synthesis of phosphonated monomers for specialty polymers with enhanced properties.
• Chemical Research & Development: A valuable reagent for exploring new organophosphorus chemistry and developing novel synthetic methodologies.

Basic Information

Product Name	Phenyl Phosphorodichloridite
CAS No.	3426-89-9
Molecular Formula	C6H5Cl2OP
Molecular Weight	194.98 g/mol
Synonyms	Phenyl Dichlorophosphite; Dichlorophenylphosphonite; Phenylphosphonous Dichloride; Phosphorodichloridous Acid Phenyl Ester; Phenyl Phosphonochloridite; NSC 8448; Phenylphosphinous Dichloride; Phenoxyphosphorus Dichloride
EINECS	222-324-0

Quality Control

Our Phenyl Phosphorodichloridite is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay by titration and impurity profiling by GC or HPLC, to meet exacting customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids, bases, and oxidizing agents. Recommended storage temperature is between 2°C and 25°C. Due to its moisture-sensitive nature, containers should be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Purity (HPLC)	≥ 97.0%
Density (at 20°C)	~1.32 g/cm³
Refractive Index (n20D)	~1.550 - 1.560
Water Content (KF)	≤ 0.1%

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