Phenyl selenocyanate
Phenyl selenocyanate (CAS: 2179-79-5) is an organoselenium compound with the molecular formula C₆H₅SeCN and a molar mass of 182.08 g/mol. It serves as a valuable building block in organic synthesis, particularly for introducing the selenocyanate moiety into molecules. Its applications span various chemical research and development fields, enabling the creation of novel compounds with potential biological or material science properties.

Organic Synthesis Intermediate
Utilised as a reagent in organic synthesis to incorporate the phenyl selenocyanate group into more complex molecular structures. This is crucial for developing new chemical entities.
Research and Development
Serves as a valuable compound for academic and industrial research, exploring new synthetic methodologies and the properties of organoselenium compounds.
Building Block for Novel Materials
Its unique chemical structure makes it a potential precursor for developing novel materials with specific electronic or optical properties, driven by the selenium atom.
| Molecular weight | 182.08 |
|---|---|
| Linear formula | C6H5SeCN |
| Assay | 96% |
| Boiling point | 116-117 °C/12 mmHg(lit.) |
| Density | 1.484 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.603(lit.) |
| Storage temperature | 2-8°C |



Hazard statements
- H301Toxic if swallowed
- H331Toxic if inhaled
- H373May cause damage to organs through prolonged exposure
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P301IF SWALLOWED
- P311Call a POISON CENTER or doctor
- P501Dispose of contents and container per local regulations
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 109 °C / 228.2 °F |
| Transport (UN / ADR) | UN 3440 6.1/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 23/25-33-50/53 |
| Safety statements (S) | 20/21-28-45-60-61 |
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 selenocyanate used for?
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Phenyl selenocyanate is primarily used as a building block in organic synthesis for introducing the selenocyanate group into molecules and for research and development purposes in organoselenium chemistry.
What is the CAS number and formula for Phenyl selenocyanate?
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The CAS number is 2179-79-5 and the linear formula is C₆H₅SeCN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Phenyl selenocyanate with an assay of 96%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.
How should Phenyl selenocyanate be handled safely?
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Phenyl selenocyanate is a Danger substance (GHS06, GHS08, GHS09) with hazards including toxicity if swallowed or inhaled, and potential organ damage with prolonged exposure (H301-H331-H373). It is also very toxic to aquatic life with long-lasting effects (H410). Appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, is essential. Handle only in a well-ventilated area.
How is Phenyl selenocyanate packed and shipped?
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Phenyl selenocyanate is packed and shipped according to UN 3440, Class 6.1, Packing Group II regulations, suitable for international export.
How can I request a sample or quote for Phenyl selenocyanate?
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To request a sample or a quote for Phenyl selenocyanate, please contact our sales team through the website or via direct enquiry, providing your specific requirements.
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