Phenyl propargyl sulfide
Phenyl propargyl sulfide (CAS: 5651-88-7), with the molecular formula C6H5SCH2C≡CH and a molar mass of 148.22 g/mol, is a sulfur-containing organic compound. It serves as a valuable building block in chemical synthesis. Its unique structure, featuring both a phenyl thioether and a terminal alkyne, allows for diverse reactions in organic chemistry research and development, contributing to the creation of more complex molecules.

Organic Synthesis Intermediate
Phenyl propargyl sulfide acts as a versatile intermediate in the synthesis of various organic compounds. Its terminal alkyne functionality is amenable to click chemistry and other addition reactions, enabling the construction of novel molecular architectures.
Building Block for Heterocycles
The compound can be employed in the synthesis of sulfur-containing heterocyclic compounds. These structures are often of interest in medicinal chemistry and materials science due to their unique electronic and biological properties.
Research Chemical
As a readily available building block, phenyl propargyl sulfide is utilised in academic and industrial research laboratories for exploring new synthetic methodologies and developing novel chemical entities.
| Molecular weight | 148.22 |
|---|---|
| Linear formula | C6H5SCH2C≡CH |
| Assay | 97% |
| Boiling point | 74 °C/0.4 mmHg(lit.) |
| Density | 1.077 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.593(lit.) |

Hazard statements
- H312Harmful in contact with skin
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 98 °C / 208.4 °F |
| Transport (UN / ADR) | UN 3334 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21 |
| Safety statements (S) | 7/9-23-36/37/39 |
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 Phenyl propargyl sulfide used for?
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Phenyl propargyl sulfide is primarily used as a building block and intermediate in organic synthesis and chemical research, particularly for constructing complex molecules and exploring new synthetic pathways.
What is the CAS number and formula for Phenyl propargyl sulfide?
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The CAS number for Phenyl propargyl sulfide is 5651-88-7, and its linear formula is C6H5SCH2C≡CH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Phenyl propargyl sulfide with an assay of 97%. This is a technical or research grade material, and we do not represent it as USP, BP, EP, or any other pharmacopoeia grade.
How should Phenyl propargyl sulfide be handled safely?
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Phenyl propargyl sulfide is classified with a Warning signal word and carries H312-H332 hazard statements, indicating it is harmful if swallowed or inhaled. Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection (e.g., type ABEK respirator filter), must be used when handling this chemical.
Is Phenyl propargyl sulfide a controlled substance?
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The provided data does not indicate that Phenyl propargyl sulfide is a controlled substance.
How is Phenyl propargyl sulfide shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals and reagents, handling all necessary logistics for domestic and international shipments in compliance with regulations.
How can I request a sample or quote for Phenyl propargyl sulfide?
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To request a sample or obtain a quote for Phenyl propargyl sulfide, please contact our sales team through the website or by phone, providing your specific requirements.
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