Phosphorus pentasulfide
Phosphorus pentasulfide (CAS: 1314-80-3, Formula: P2S5, MW: 222.27) is a highly reactive inorganic compound. It presents as a yellow crystalline solid that is sensitive to moisture and air. Primarily utilised in the synthesis of organophosphorus compounds, it serves as a key intermediate in the production of lubricating oil additives, pesticides, and flotation agents.
- IUPAC
- Phosphorus(V) sulfide
Organophosphorus Synthesis
Phosphorus pentasulfide is a crucial reagent for the synthesis of various organophosphorus compounds. It is frequently used to introduce thiophosphoryl groups into organic molecules.
Lubricant Additives
It is a precursor in the manufacturing of extreme pressure (EP) and anti-wear additives for lubricating oils and greases. These additives protect machinery under high-load conditions.
Pesticide Intermediates
Phosphorus pentasulfide serves as a building block in the synthesis of certain insecticides and pesticides, contributing to agricultural chemical production.
Flotation Agents
It is employed in the mining industry as a precursor for chemicals used as flotation agents in mineral processing, aiding in the separation of valuable ores.
| Molecular weight | 222.27 |
|---|---|
| Empirical formula | P2S5 |
| Assay | 99% |
| Density | 2.09 g/mL at 25 °C(lit.) |
| Melting point | 280-284 °C(lit.) |
Hazard statements
- H228Flammable solid
- H260In contact with water releases flammable gases
- H302Harmful if swallowed
- H332Harmful if inhaled
- H400Very toxic to aquatic life
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P223Do not allow contact with water
- P231Handle under inert gas
- P273Avoid release to the environment
- P370In case of fire
- P422
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 1340 4.3/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xn,N |
| Risk statements (R) | 11-20/22-29-50 |
| Safety statements (S) | 61 |
| Supplemental hazards | Contact with water liberates toxic gas. |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Phosphorus pentasulfide used for?
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Phosphorus pentasulfide is primarily used in the synthesis of organophosphorus compounds, including intermediates for lubricant additives, pesticides, and flotation agents.
What are the CAS number and formula for Phosphorus pentasulfide?
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The CAS number for Phosphorus pentasulfide is 1314-80-3, and its formula is P2S5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Phosphorus pentasulfide with an assay of 99%. This is typically a technical or research grade; TSS does not represent it as USP, BP, or EP grade.
How should Phosphorus pentasulfide be handled safely?
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Phosphorus pentasulfide is a Danger hazard. It is flammable (H228), reacts with water to liberate toxic gas (H260, Supplemental Hazard Statement), is harmful if swallowed (H302) and inhaled (H332), and is very toxic to aquatic life (H400). Handle with extreme care, avoiding contact with water and moisture, using appropriate personal protective equipment, and ensuring adequate ventilation.
How is Phosphorus pentasulfide packed and shipped?
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Phosphorus pentasulfide is shipped as a UN 1340, Hazard Class 4.3 (Dangerous when wet), Packing Group II. It requires specialised packaging and handling procedures due to its reactivity with water and flammability.
How can I request a quote or sample?
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To request a quote or a sample of Phosphorus pentasulfide, please contact our sales team through the website or via direct inquiry, providing your specific requirements.
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