Description

Potassium Phosphide CAS NO 20770-41-6 is an inorganic compound of significant interest in advanced materials synthesis and chemical manufacturing. Its primary value lies in its role as a versatile phosphorous source and reducing agent, enabling critical reactions in specialized industrial processes. This material is essential for manufacturers and research institutions in the semiconductor, fine chemical, and specialty alloy sectors seeking high-purity precursors for phosphide-based materials.

Application

• Semiconductor Manufacturing: As a key precursor for the synthesis of III-V compound semiconductors like gallium phosphide (GaP) and indium phosphide (InP), used in LEDs, solar cells, and high-frequency electronics.
• Fine Chemical Synthesis: Employed as a specialized reducing agent or phosphorous donor in the production of organophosphorus compounds for pharmaceuticals and agrochemicals.
• Metallurgy & Alloy Production: Used in the preparation of metal phosphides, which serve as catalysts, battery anode materials, or hardening agents in specialty alloys.
• Chemical Vapor Deposition (CVD): Acts as a phosphorous source in CVD processes for depositing thin-film phosphide coatings with specific electronic or optical properties.
• Research & Development: A critical reagent in academic and industrial R&D for exploring new phosphide-based materials, including nanomaterials and energy storage solutions.
• Pyrotechnics & Incendiary Compositions: Used in specialized formulations due to its reactive nature, though handling requires extreme caution and expertise.

Basic Information

Product Name	Potassium Phosphide
CAS No.	20770-41-6
Molecular Formula	K3P
Molecular Weight	148.27 g/mol
Synonyms	Tripotassium phosphide; Phosphinidynetripotassium; Potassium phosphide (K3P); Potassium monophosphide; Phosphorous potassium salt
EINECS	244-021-3

Quality Control

Our Potassium Phosphide is produced and handled under stringent quality management protocols. Each batch undergoes comprehensive analysis to ensure high purity and consistent reactivity, critical for sensitive applications like semiconductor fabrication. We provide detailed Certificates of Analysis (COA) with key parameters including assay purity, particle size distribution (where applicable), and impurity profiles (e.g., heavy metals, moisture). Our quality systems are designed to meet the exacting standards of advanced manufacturing and research.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly hygroscopic and easily oxidized nature, this material must be stored under an inert atmosphere (argon or nitrogen) in a cool, dry, and well-ventilated area. The recommended storage temperature is 2-8°C to maximize shelf-life stability. The container must be kept tightly sealed when not in use to prevent contact with moisture or air.

Specification

Item	Specification
Appearance	Red-brown to gray crystalline lumps or powder
Identification (IR)	Conforms
Assay (K3P)	≥ 95.0%
Moisture (Karl Fischer)	≤ 0.5%
Particle Size (Optional)	Customizable (e.g., -20 mesh, -100 mesh)

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