Triphenylphosphine sulfide
Triphenylphosphine sulfide (CAS 3878-45-3), with the molecular formula (C6H5)3PS and a molecular weight of 294.35 g/mol, is a notable organophosphorus compound. It functions as a versatile reagent in organic synthesis and serves as a valuable building block. Its applications include use as an internal standard in elemental sulphur determination and as an extractant for specific metal ions, particularly palladium.
Internal Standard for Sulphur Determination
Triphenylphosphine sulfide has been employed as an internal standard in methods designed to quantify trace levels of elemental sulphur in gasoline, utilising flame ionization detection.
Palladium Extraction
This compound is effective for the extraction of Pd(II) ions from hydrochloric acid solutions, particularly in the presence of thiocyanate (SCN-) ions.
Chemical Synthesis Reagent
As a phosphorus-containing compound, it serves as a useful building block and reagent in various organic synthesis pathways.
| Molecular weight | 294.35 |
|---|---|
| Linear formula | (C6H5)3PS |
| Assay | 98% |
| Solubility | isooctane: soluble |
| Application | Triphenylphosphine sulfide was used as internal standard in derivatization method for determination of trace levels of elemental sulphur in gasoline using flame ionization detection1. It was also used for extraction of Pd(II) from hydrochloric acid solutions containing small amounts of SCN-,2. |
| Melting point | 161-163 °C(lit.) |
Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 21/22-36/37/38 |
| Safety statements (S) | 26-36/37 |
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 Triphenylphosphine sulfide used for?
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Triphenylphosphine sulfide is used as an internal standard for the determination of elemental sulphur in gasoline and for the extraction of Pd(II) from hydrochloric acid solutions. It also serves as a building block in chemical synthesis.
What is the CAS number and formula for Triphenylphosphine sulfide?
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The CAS number for Triphenylphosphine sulfide is 3878-45-3, and its linear formula is (C6H5)3PS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Triphenylphosphine sulfide with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should Triphenylphosphine sulfide be handled safely?
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Triphenylphosphine sulfide is harmful if swallowed and in contact with skin, causes skin irritation, causes serious eye irritation, and may cause respiratory irritation. Handle with appropriate personal protective equipment including a dust mask (N95 type), eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust.
Is Triphenylphosphine sulfide a controlled substance?
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The provided data does not indicate that Triphenylphosphine sulfide is a controlled substance.
How can I request a quote or sample?
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To request a quote or a sample of Triphenylphosphine sulfide, please contact our sales team via the website or by phone.
How is Triphenylphosphine sulfide packed, shipped, or exported?
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Triphenylphosphine sulfide is carefully packed according to industry standards to ensure safe transit and is available for export globally by Tech Serve Solutions.
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