Description

Benzylphosphonic Dichloride is a versatile and highly reactive organophosphorus compound, primarily used as a key synthetic intermediate. Its value lies in its ability to efficiently introduce the benzylphosphonate moiety, a crucial building block for more complex molecules. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Critical building block for the synthesis of novel drug candidates, particularly those targeting bone diseases, as it is a precursor to bisphosphonate analogs.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators that incorporate phosphonate functionality.
• Ligand and Catalyst Preparation: Serves as a precursor for phosphonic acid ligands used in coordination chemistry, catalysis, and material science.
• Flame Retardant Development: Intermediate in the synthesis of organophosphorus flame retardants and plasticizers for polymers and resins.
• Surface Modification Agent: Can be used to functionalize surfaces (e.g., metals, oxides) with organic phosphonate layers for improved adhesion, corrosion resistance, or biocompatibility.
• Research & Development: A valuable reagent in organic and medicinal chemistry research for constructing C-P bonds and exploring new chemical entities.

Basic Information

Product Name	Benzylphosphonic Dichloride
CAS No.	1499-19-0
Molecular Formula	C7H7Cl2OP
Molecular Weight	209.01 g/mol
Synonyms	Benzylphosphonyl Dichloride; (Dichlorophosphinyl)methylbenzene; Phenylmethylphosphonic Dichloride; α-Tolylphosphonic Dichloride; Benzylphosphonic Acid Dichloride; Dichloro(phenylmethyl)phosphine Oxide; NSC 403119; Benzylphosphonoyl Dichloride
EINECS	Contact for details

Quality Control

Our Benzylphosphonic Dichloride is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure high purity and consistency, meeting the stringent requirements of our global B2B clients. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming specifications for identity, purity, and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic and highly volatile nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent moisture absorption and decomposition. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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