Description

Benzyldichlorophosphine is a versatile organophosphorus compound primarily used as a key synthetic intermediate. Its high reactivity, particularly as a precursor to phosphine ligands and other functionalized phosphorus derivatives, makes it a critical building block in advanced chemical synthesis. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries developing novel catalysts, ligands, and active ingredients.

Application

• Pharmaceutical Intermediate: Synthesis of novel phosphine-containing drug candidates and active pharmaceutical ingredients (APIs).
• Catalyst & Ligand Precursor: Key starting material for the preparation of chiral and achiral phosphine ligands used in homogeneous catalysis (e.g., cross-coupling reactions).
• Agrochemical Synthesis: Building block for phosphorus-based herbicides, insecticides, and plant growth regulators.
• Flame Retardant Intermediate: Used in the production of specialized organophosphorus flame retardants and plasticizers.
• Material Science: Precursor for modifying polymer surfaces and creating phosphorus-doped materials.
• Organic Synthesis Reagent: Employed in the formation of P-C bonds for constructing complex organic molecules in research and development.

Basic Information

Product Name	Benzyldichlorophosphine
CAS No.	4545-85-1
Molecular Formula	C7H7Cl2P
Molecular Weight	193.01 g/mol
Synonyms	Dichloro(phenylmethyl)phosphine; Benzylphosphonous Dichloride; (Dichlorophosphino)methylbenzene; Phenylmethyldichlorophosphine; α-Dichlorophosphinotoluene; NSC 406106; Benzyldichlorophosphane; Dichlorobenzylphosphine
EINECS	Contact for details

Quality Control

Our Benzyldichlorophosphine is manufactured under strict quality management protocols. Every batch undergoes rigorous analytical testing, including GC, NMR, and titration methods, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Purity (NMR)	≥ 97.0%
Density (at 20°C)	~1.30 g/cm³
Refractive Index (n20D)	~1.590

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