Description

Phosphorus Hepta Sulfide is an important inorganic chemical compound with the formula P4S7. This high-purity material is valued for its role as a key intermediate and reagent in specialized chemical synthesis. It is primarily utilized by manufacturers in the agrochemical, lubricant additive, and specialty chemical industries for the production of organophosphorus compounds.

Application

• Agrochemical Intermediate: A critical precursor in the synthesis of certain organophosphorus insecticides and pesticides.
• Lubricant Additive Production: Used in the manufacture of extreme pressure (EP) and anti-wear additives for industrial oils and greases.
• Flame Retardant Synthesis: Serves as a building block for creating phosphorus-based flame retardants used in polymers and textiles.
• Specialty Chemical Manufacturing: Acts as a reagent in organic synthesis for introducing phosphorus-sulfur functionalities.
• Research & Development: Employed in academic and industrial R&D labs for developing novel chemical entities and materials.

Basic Information

Product Name	Phosphorus Hepta Sulfide
CAS No.	12037-82-0
Molecular Formula	P4S7
Molecular Weight	348.35 g/mol
Synonyms	Tetraphosphorus heptasulfide; Phosphorus sulfide (P4S7); Heptathiotetraphosphane; Phosphorus(V) sulfide; Tetraphosphorus heptasulphide; Phosphorus persulfide; P4S7
EINECS	234-868-9

Quality Control

Our Phosphorus Hepta Sulfide is manufactured under stringent 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 specifications and test results is provided with each shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat, sparks, and open flames. Due to its sensitivity to oxidation and moisture, it is recommended to store under an inert atmosphere such as nitrogen or argon. Keep container tightly sealed when not in use. Store separately from incompatible materials like strong oxidizers and bases.

Specification

Item	Specification
Appearance	Yellow to greenish-yellow crystalline solid or lumps
Identification (IR)	Conforms
Assay (P4S7)	≥ 98.0 %
Water Content (KF)	≤ 0.5 %
Residue on Ignition	≤ 0.1 %
Heavy Metals (as Pb)	≤ 20 ppm

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