Description

Chlorodiphenylphosphine CAS NO 1079-66-9 is a versatile organophosphorus compound that serves as a key building block in advanced chemical synthesis. Its primary value lies in its role as a precursor for phosphine ligands and other phosphorus-containing fine chemicals, which are essential in catalysis and materials science. This product is critically needed by R&D laboratories and production facilities in the pharmaceutical, agrochemical, and specialty polymer industries for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Synthesis of novel phosphine ligands used in asymmetric catalysis for chiral drug manufacturing.
• Agrochemical Production: Key precursor for phosphorus-containing pesticides, herbicides, and plant growth regulators.
• Polymer & Material Science: Building block for flame retardants, stabilizers, and specialty monomers in high-performance polymers.
• Catalyst Development: Preparation of transition metal catalysts for cross-coupling reactions (e.g., Suzuki, Heck) in fine chemical synthesis.
• Organic Synthesis Reagent: Used in the formation of P-C bonds for constructing complex organophosphorus molecules in research.
• Electronic Chemicals: Intermediate in the production of compounds for semiconductors and OLED materials.

Basic Information

Product Name	Chlorodiphenylphosphine
CAS No.	1079-66-9
Molecular Formula	C12H10ClP
Molecular Weight	220.63 g/mol
Synonyms	Diphenylphosphinous Chloride; Chlorodiphenylphosphane; Diphenylchlorophosphine; P-Chlorodiphenylphosphine; Diphenylphosphine Chloride; (Chlorophosphanyl)benzene; NSC 406058; P,P-Diphenylphosphinous Chloride
EINECS	214-093-0

Quality Control

Our Chlorodiphenylphosphine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee compliance with your research and production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (nitrogen or argon) in a cool, dry, and well-ventilated area. Due to its sensitivity to moisture and air, the container should be kept sealed and handled under inert conditions to prevent degradation. Recommended long-term storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%

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