Description

Phosphorus Pentasulfide is a versatile inorganic chemical compound with the formula P4S10. It serves as a critical precursor in the synthesis of organophosphorus compounds, which are foundational to numerous industrial applications. This high-purity material is essential for manufacturers in the agrochemical, lubricant additive, and flame retardant industries seeking reliable and consistent raw material quality. Its reactivity makes it a key building block for creating specialized chemical intermediates.

Application

• Agrochemical Synthesis: Primary raw material for the production of organophosphorus insecticides (e.g., malathion, parathion) and herbicides.
• Lubricant Additives: Key intermediate in manufacturing zinc dialkyldithiophosphates (ZDDP), which are anti-wear and antioxidant agents in engine oils.
• Flame Retardants: Used in the synthesis of phosphorus-based flame retardants for polymers and textiles.
• Chemical Intermediate: Serves as a sulfurating and phosphorylating agent in organic synthesis for pharmaceuticals and specialty chemicals.
• Rubber Industry: Acts as a vulcanizing agent and accelerator in the processing of certain synthetic rubbers.
• Matches and Ignition Compounds: A component in the striking surface of safety matches and some pyrotechnic mixtures.

Basic Information

Product Name	Phosphorus Pentasulfide
CAS No.	1314-80-3
Molecular Formula	P4S10
Molecular Weight	444.55 g/mol
Synonyms	Phosphorus(V) sulfide; Diphosphorus pentasulfide; Tetraphosphorus decasulfide; Phosphorus persulfide; Thiophosphoric anhydride; P4S10; Phosphorus sulfide (P4S10)
EINECS	215-242-4

Quality Control

Our Phosphorus Pentasulfide is manufactured under strict process controls to ensure batch-to-batch consistency and high chemical purity. Quality is verified through a comprehensive suite of analytical tests, including assay, identification, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee compliance with your specifications and industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from moisture, heat, and incompatible materials. Due to its hygroscopic nature, containers must be kept tightly sealed after opening to prevent decomposition from atmospheric moisture. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	Yellow to greenish-yellow crystalline solid or flakes
Identification (IR)	Conforms
Assay (P4S10)	≥ 98.0 %
Iron (Fe)	≤ 0.005 %
Heavy Metals (as Pb)	≤ 0.002 %
Water Insoluble Matter	≤ 0.1 %

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