Phenylacetylene
Phenylacetylene (CAS: 536-74-3), with the molecular formula C₆H₅CCH and a molar mass of 102.13 g/mol, is a terminal alkyne primarily utilised as a versatile building block in organic synthesis. It serves as a key intermediate in the preparation of various complex molecules. This compound is supplied by Tech Serve Solutions for research and development purposes.
- IUPAC
- Ethynylbenzene
- Synonyms
- Ethynylbenzene
Organic Synthesis Intermediate
Phenylacetylene is a valuable reagent in organic chemistry, employed in reactions such as Sonogashira couplings and cycloadditions. It facilitates the construction of carbon-carbon bonds, leading to more complex organic structures.
Precursor for Pharmaceuticals and Fine Chemicals
Its reactivity makes it a useful starting material for the synthesis of active pharmaceutical ingredients (APIs) and other high-value fine chemicals. It enables the introduction of an ethynyl group into target molecules.
Research and Development
Used in academic and industrial laboratories for exploring new synthetic routes and developing novel compounds. Its well-defined properties support predictable reaction outcomes.
| Molecular weight | 102.13 |
|---|---|
| Linear formula | C6H5CCH |
| Assay | ≥97.0% (GC) |
| Boiling point | 142-144 °C(lit.) |
| Density | 0.93 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.549(lit.)n20/D 1.549 |
| Vapour pressure | 17.6 mmHg (37.7 °C) |
| Storage temperature | 2-8°C |
Hazard statements
- H226Flammable liquid and vapour
- H304May be fatal if swallowed and enters airways
- H315Causes skin irritation
- H319Causes serious eye irritation
- H351Suspected of causing cancer
Precautionary statements
- P281Use personal protective equipment as required
- P301IF SWALLOWED
- P305IF IN EYES
- P331Do NOT induce vomiting
| Flash point | 27 °C / 80.6 °F |
|---|---|
| Transport (UN / ADR) | UN 3295C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 10-36/37-40-65 |
| Safety statements (S) | 26-36/37-62 |
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 Phenylacetylene primarily used for?
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Phenylacetylene is primarily used as a building block in organic synthesis, particularly for the preparation of pharmaceuticals and fine chemicals.
What are the CAS number and molecular formula for Phenylacetylene?
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The CAS number for Phenylacetylene is 536-74-3, and its molecular formula is C₆H₅CCH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Phenylacetylene with an assay of ≥97.0% (GC). This is a technical grade suitable for research and development; TSS does not represent it as USP, BP, or EP.
How should Phenylacetylene be handled safely?
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Phenylacetylene is flammable and may cause skin and serious eye irritation. It is also suspected of causing cancer and may be fatal if swallowed and enters airways. Handle with appropriate personal protective equipment in a well-ventilated area, away from ignition sources, and store at 2-8°C.
Can you export Phenylacetylene?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Phenylacetylene.
How can I request a sample or quote for Phenylacetylene?
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Please contact our sales team through the website or by phone to request a sample or a quote for Phenylacetylene.
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