Description

Dichlorophosphinous Acid Cyclohexyl Ester is a versatile organophosphorus intermediate characterized by its reactive P-Cl bonds and cyclohexyl substituent. This compound is critical for the synthesis of complex phosphorus-containing ligands and fine chemicals, offering a balance of reactivity and steric profile. It is primarily sought after by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries for constructing novel molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel phosphonate and phosphinate-based drug candidates and prodrugs.
• Agrochemical Synthesis: Used in the production of advanced herbicides, insecticides, and plant growth regulators containing phosphorus.
• Ligand Precursor: Serves as a starting material for the preparation of chiral or bulky phosphine ligands used in homogeneous catalysis (e.g., cross-coupling reactions).
• Flame Retardant Synthon: Intermediate in the manufacturing of specialized organophosphorus flame retardants and plasticizers.
• Polymer Modification: Employed to introduce phosphorus functional groups into polymer chains to alter properties like adhesion or flame resistance.
• Chemical Research (R&D): A valuable reagent for exploring new phosphorylation reactions and developing novel organophosphorus compounds in academic and industrial laboratories.

Basic Information

Product Name	Dichlorophosphinous Acid Cyclohexyl Ester
CAS No.	54921-67-4
Molecular Formula	C6H11Cl2OP
Molecular Weight	201.03 g/mol
Synonyms	Cyclohexyl Phosphonous Dichloride; Cyclohexylphosphonous Dichloride; Cyclohexylphosphinous Dichloride; Dichloro(cyclohexyl)phosphine; P,P-Dichloro-P-cyclohexylphosphinous Acid; Cyclohexyl Dichlorophosphinite; Cyclohexylphosphonous Dichloride
EINECS	Contact for details

Quality Control

Our Dichlorophosphinous Acid Cyclohexyl Ester is manufactured under strict quality management protocols. Every batch undergoes rigorous analytical testing, including GC, NMR, and titration methods, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality systems are designed to support cGMP and ISO standards for reliable supply to regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Purity (NMR)	≥ 95.0%
Density (at 20°C)	~1.25 g/cm³
Refractive Index (n20D)	~1.510

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