Description

Chlorophosphonous Acid Dicyclohexyl Ester is a specialized organophosphorus compound that serves as a versatile intermediate in advanced chemical synthesis. Its value lies in its unique reactivity, particularly as a precursor for flame retardants, ligands, and other phosphorus-containing fine chemicals. This product is essential for R&D laboratories and industrial manufacturers in the polymer, agrochemical, and pharmaceutical sectors seeking to develop new materials with specific properties.

Application

• Flame Retardant Intermediate: A key building block in the synthesis of novel, high-efficiency phosphorus-based flame retardants for polymers and textiles.
• Ligand Synthesis: Used in the preparation of specialized phosphonite and phosphinite ligands for homogeneous catalysis and metal complexation.
• Agrochemicals: Serves as a precursor in the development of new generation pesticides and plant growth regulators.
• Pharmaceutical Intermediates: Employed in the research and synthesis of active pharmaceutical ingredients (APIs) containing phosphorus heterocycles.
• Polymer Modification: Acts as a reactive modifier or cross-linking agent to impart specific characteristics to engineering plastics.
• Chemical Research: A valuable reagent for academic and industrial research in organophosphorus chemistry and material science.

Basic Information

Product Name	Chlorophosphonous Acid Dicyclohexyl Ester
CAS No.	19620-38-3
Molecular Formula	C₁₂H₂₂ClO₂P
Molecular Weight	264.73 g/mol
Synonyms	Dicyclohexyl Chlorophosphonite; Dicyclohexyl Phosphorochloridite; Chlorodicyclohexylphosphinite; Phosphorochloridous Acid, Dicyclohexyl Ester; Dicyclohexyl Phosphonite Chloride; NSC 163082; Dicyclohexylchlorophosphonite
EINECS	243-190-4

Quality Control

Our Chlorophosphonous Acid Dicyclohexyl Ester is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay by titration and identification by FT-IR and NMR spectroscopy, to ensure it meets precise chemical and physical specifications. We are committed to consistent purity and reliable supply. A detailed Certificate of Analysis (COA) 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 area at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Purity (GC)	≥ 92.0%
Water Content (KF)	≤ 0.5%
Chloride Content	Conforms

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