Description

Propadienylphosphonic Dichloride is a highly reactive organophosphorus intermediate, essential for introducing the unique propadienylphosphonate moiety into complex molecular architectures. Its value lies in enabling the synthesis of specialized ligands, flame retardants, and biologically active compounds. This chemical is primarily needed by R&D chemists and process development teams in the pharmaceutical, agrochemical, and advanced materials industries for constructing novel molecules.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing novel drug candidates, particularly those targeting enzyme inhibition.
• Agrochemical Synthesis: Used in the production of advanced herbicides, pesticides, and plant growth regulators with specific activity profiles.
• Ligand Precursor: Serves as a critical starting material for creating specialized phosphonate-based ligands used in catalysis and metal coordination chemistry.
• Flame Retardant Development: Incorporated into polymer backbones to develop new, more efficient flame-retardant materials.
• Chemical Research (R&D): A versatile reagent for academic and industrial research into new organophosphorus chemistry and material science.
• Specialty Polymer Modification: Used to functionalize polymers, imparting specific chemical or physical properties to the final material.

Basic Information

Product Name	Propadienylphosphonic Dichloride
CAS No.	17166-36-8
Molecular Formula	C3H3Cl2OP
Molecular Weight	156.93 g/mol
Synonyms	1-Propadienylphosphonic Dichloride; Propadienylphosphonyl Dichloride; Phosphonic Dichloride, (1,2-Propadienyl)-; Allenylphosphonic Dichloride; 2,3-Propadienylphosphonic Dichloride; (Propa-1,2-dien-1-yl)phosphonic Dichloride
EINECS	Contact for details

Quality Control

Our Propadienylphosphonic Dichloride is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for sensitive synthetic applications. Each lot is analyzed via GC, NMR, and titration methods. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile and hygroscopic nature, this product must be stored in a cool, dry, and well-ventilated place, ideally under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture absorption and decomposition. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Purity (NMR)	≥ 96.0%
Water Content (KF)	≤ 0.5%

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