Description

Phosphine Sulfide CAS NO 35280-73-0 is an organophosphorus compound that serves as a versatile intermediate and reagent in advanced chemical synthesis. Its unique chemical structure makes it valuable for introducing phosphorus-sulfur functionalities into target molecules. This product is essential for research and development laboratories, as well as industrial-scale production in the agrochemical and pharmaceutical sectors, where it is used to create novel active ingredients and functional materials.

Application

• Agrochemical Intermediate: A key building block in the synthesis of novel insecticides, herbicides, and fungicides, leveraging its phosphorus-sulfur core.
• Pharmaceutical Synthesis: Used as a specialized reagent for constructing complex molecules in medicinal chemistry and drug discovery programs.
• Ligand Precursor: Acts as a starting material for the preparation of specialized ligands used in catalysis and material science.
• Flame Retardant Research: Investigated as a potential component or synergist in the development of advanced flame-retardant formulations for polymers.
• Chemical Research: Employed in academic and industrial R&D for studying reaction mechanisms and developing new organophosphorus chemistry.
• Material Science: Used in the synthesis of precursors for advanced materials, including semiconductors and metal-organic frameworks (MOFs).

Basic Information

Product Name	Phosphine Sulfide
CAS No.	35280-73-0
Molecular Formula	H3PS
Molecular Weight	66.07 g/mol
Synonyms	Phosphine sulfide; Phosphinothioic acid; Thiophosphine; Phosphorus hydride sulfide; Hydrogen thiophosphinite; H3P=S; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our Phosphine Sulfide is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and purity. Each lot undergoes comprehensive analytical testing, including assay and impurity profiling. Certificates of Analysis (COA) documenting all relevant specifications are provided and available upon request to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, well-ventilated area. Recommended storage temperature is 2-8°C for long-term stability. Keep away from heat, sparks, open flames, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details

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