(Phenylthio)acetonitrile
(Phenylthio)acetonitrile (CAS: 5219-61-4), with the molecular formula C6H5SCH2CN and a molecular weight of 149.21 g/mol, is a valuable organic building block. This compound serves as a key intermediate in various chemical syntheses, particularly within the realms of organic chemistry and materials science. Its structure, featuring both a phenylthio group and a nitrile functionality, allows for diverse reactivity and incorporation into more complex molecules, making it a useful reagent for research and development.
- IUPAC
- (Phenylmercapto)acetonitrile

Chemical Synthesis Intermediate
Utilized as a building block in the synthesis of more complex organic molecules. Its phenylthio and nitrile groups offer versatile reaction sites for developing novel chemical entities.
Research and Development
A key reagent in academic and industrial laboratories for exploring new chemical pathways and creating novel compounds. Its unique structural features are valuable for synthetic strategy development.
Organic Building Block
Incorporated into various carbon chain extensions and functional group transformations. Suitable for creating diverse chemical structures for potential pharmaceutical or material applications.
| Molecular weight | 149.21 |
|---|---|
| Linear formula | C6H5SCH2CN |
| Assay | ≥95% (GC) |
| Grade | technical |
| Boiling point | 146-147 °C/14 mmHg(lit.) |
| Density | 1.142 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.583(lit.)n20/D 1.583 |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 3334 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
| Safety statements (S) | 23-24/25 |
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 (Phenylthio)acetonitrile primarily used for?
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(Phenylthio)acetonitrile is primarily used as a chemical synthesis intermediate and an organic building block in research and development settings.
What are the CAS number and molecular formula for (Phenylthio)acetonitrile?
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The CAS number for (Phenylthio)acetonitrile is 5219-61-4, and its molecular formula is C6H5SCH2CN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (Phenylthio)acetonitrile with a minimum assay of ≥95% (GC) and a technical grade. We do not represent this product as USP, BP, or EP grade.
What are the key safety considerations when handling (Phenylthio)acetonitrile?
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(Phenylthio)acetonitrile is classified with a GHS07 symbol and a Warning signal word, with hazard statement H302 indicating it is harmful if swallowed. Appropriate personal protective equipment, including eyeshields, faceshields, gloves, and suitable respiratory protection, should be used. Ensure good ventilation and avoid ingestion.
How is (Phenylthio)acetonitrile packed, shipped, and exported by TSS?
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Tech Serve Solutions exports fine chemicals globally, adhering to all necessary shipping and handling regulations. Specific packaging details are available upon request.
How can I request a sample or quote for (Phenylthio)acetonitrile?
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To request a sample or a quote for (Phenylthio)acetonitrile, please contact our sales department through the provided channels on the Tech Serve Solutions website.
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