Description

Sodium Phenylphosphinate CAS NO 4297-95-4 is an organophosphorus compound widely utilized as a key intermediate and additive in advanced chemical synthesis. Its primary value lies in its role as a versatile phosphorus source and flame-retardant synergist, offering enhanced performance and stability in demanding formulations. This product is essential for manufacturers in the polymer, electronics, and specialty chemical industries seeking to improve material properties and process efficiency.

Application

• Flame Retardant Synergist: Used in combination with other agents to enhance flame retardancy in engineering plastics, textiles, and coatings.
• Polymer Additive: Acts as a stabilizer and property modifier in the production of high-performance polymers and resins.
• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of certain active pharmaceutical ingredients (APIs) and ligands.
• Electroless Plating: Employed in the formulation of baths for electroless nickel and copper plating on plastics and metals.
• Catalyst and Ligand Precursor: Used in the preparation of catalysts for organic synthesis and cross-coupling reactions.
• Water Treatment Chemical: Functions as a scale and corrosion inhibitor in industrial water treatment systems.

Basic Information

Product Name	Sodium Phenylphosphinate
CAS No.	4297-95-4
Molecular Formula	C6H6NaO2P
Molecular Weight	164.07 g/mol
Synonyms	Sodium Phenylphosphinate; Phenylphosphinic Acid Sodium Salt; Benzenephosphinic Acid Sodium Salt; Sodium Benzenephosphinate; Phenylphosphonate Sodium Salt; Sodium Phenylphosphonate; Phenyl Sodium Phosphinate; SPH
EINECS	224-310-5

Quality Control

Our Sodium Phenylphosphinate is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment aligns with ISO standards and relevant industrial specifications to meet the rigorous demands of our global B2B clients.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear, colorless solution

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