Description

Diphenylphosphinic Chloride is a versatile organophosphorus reagent primarily used as a key building block in organic synthesis. Its high reactivity as a chlorinating and phosphorylating agent makes it invaluable for creating complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it facilitates the synthesis of ligands, catalysts, and active pharmaceutical ingredients (APIs).

Application

• Key intermediate in the synthesis of phosphine oxide ligands for catalysis and material science.
• Building block for the production of pharmaceutical active ingredients (APIs) and agrochemicals.
• Precursor for flame retardants and polymer additives.
• Reagent in the preparation of organophosphorus compounds used in extraction and separation processes.
• Used in research and development for creating novel functional materials and metal-organic frameworks (MOFs).
• Starting material for the synthesis of photoinitiators and other specialty chemicals.

Basic Information

Product Name	Diphenylphosphinic Chloride
CAS No.	1499-21-4
Molecular Formula	C12H10ClOP
Molecular Weight	236.63 g/mol
Synonyms	Chlorodiphenylphosphine Oxide; Diphenylphosphinyl Chloride; P,P-Diphenylphosphinic Chloride; Diphenylphosphine Oxide Chloride; (Diphenylphosphoryl)chloride; NSC 404122; Diphenylphosphinic acid chloride
EINECS	216-100-8

Quality Control

Our Diphenylphosphinic Chloride is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, identity, and impurity profiles. We adhere to relevant industry standards to support our customers in pharmaceutical and fine chemical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	92 - 96 °C
Water Content (KF)	≤ 0.5%

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