Description

Phosphorus Sulfide CAS NO 25070-46-6 is a key inorganic chemical compound primarily used as a versatile sulfurizing and sulfonating agent. Its reactivity makes it an essential intermediate in the synthesis of organosulfur compounds and specialty chemicals. This product is critical for manufacturers in the agrochemical, lubricant additive, and pharmaceutical industries seeking reliable and consistent raw materials for their production processes.

Application

• Agrochemical Synthesis: A crucial intermediate in the production of organophosphorus insecticides, herbicides, and fungicides.
• Lubricant & Oil Additives: Used in the manufacture of extreme pressure (EP) and anti-wear additives for industrial and automotive lubricants.
• Pharmaceutical Intermediates: Serves as a building block in the synthesis of certain active pharmaceutical ingredients (APIs) and drug candidates.
• Flotation Agents: Employed in the mining industry for the extraction and purification of metal ores.
• Rubber & Polymer Chemistry: Acts as a vulcanizing agent and modifier in the production of specialty elastomers.
• Chemical Synthesis: A versatile reagent for introducing sulfur into organic molecules, creating thioethers, sulfides, and other sulfur-containing compounds.

Basic Information

Product Name	Phosphorus Sulfide
CAS No.	25070-46-6
Molecular Formula	P4S3
Molecular Weight	220.09 g/mol
Synonyms	Tetraphosphorus Trisulfide; Phosphorus Sesquisulfide; Trisulfurated Phosphorus; P4S3; Phosphorus(III) Sulfide; Thiophosphoric Anhydride; 3Phosphorus sulfide (P4S3); UN 1341
EINECS	246-635-1

Quality Control

Our Phosphorus Sulfide is produced under stringent quality management systems to ensure batch-to-batch consistency and reliability. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment aligns with industrial chemical standards, and we support our clients' needs for regulatory documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and 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 degradation. Observe all local and international regulations for the storage of reactive chemicals.

Specification

Item	Specification
Appearance	Yellowish-green to gray-yellow crystalline solid
Identification (IR)	Conforms
Assay (P4S3)	≥ 98.0 %
Melting Point	172 - 175 °C
Insoluble Matter	≤ 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.