Description

Phosphorochloridic Acid CAS NO 13779-42-5 is a highly reactive organophosphorus compound that serves as a critical intermediate in advanced chemical synthesis. Its value lies in its ability to efficiently introduce phosphoryl and chlorinating functionalities in a single step, enabling the production of complex molecules. This chemical is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require precise and scalable building blocks for active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of nucleotide analogs, antiviral drugs, and prodrugs that utilize phosphoramidate or phosphonate chemistry.
• Agrochemical Synthesis: Used in the manufacture of organophosphate insecticides, herbicides, and plant growth regulators.
• Ligand and Catalyst Preparation: Employed for the phosphorylation of ligands to create novel catalysts for asymmetric synthesis and polymerization processes.
• Flame Retardant Production: Intermediate in the synthesis of phosphorus-based flame retardants for polymers and textiles.
• Chemical Research & Development: A versatile reagent for constructing P-O, P-N, and P-C bonds in exploratory and process chemistry.
• Polymer Modification: Used to phosphorylate polymers, altering their physical properties for specialized material applications.

Basic Information

Product Name	Phosphorochloridic Acid
CAS No.	13779-42-5
Molecular Formula	ClH2O2P
Molecular Weight	116.45 g/mol
Synonyms	Phosphorochloridic Acid; Phosphorochloridous Acid; Chlorophosphonic Acid; Phosphonic Acid, Chloro-; Phosphonochloridic Acid; Chlorophosphoric Acid (ambiguous); POCI(OH)2; Hydrogen Phosphorochloridate
EINECS	Contact for details

Quality Control

Our Phosphorochloridic Acid is produced and handled under stringent quality management protocols to ensure batch-to-batch consistency and reliability. Each lot is analyzed to confirm identity, purity, and the absence of critical impurities. A comprehensive Certificate of Analysis (COA) detailing assay results, impurity profiles, and physical characteristics is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, well-ventilated area, away from heat and incompatible materials such as strong bases, oxidizing agents, and moisture. Due to its nature as a strong acid/organic solvent and high volatility, appropriate secondary containment is recommended.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Chloride Content	Contact for details
Density (20°C)	~1.6 g/mL

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