1-Phenyl-1-pentyne
1-Phenyl-1-pentyne (CAS: 4250-81-1), with the molecular formula C11H10, is an organic alkyne. This compound serves as a valuable building block in organic synthesis. Its defined chemical structure and properties make it suitable for various chemical transformations and research applications within the fine chemical and pharmaceutical intermediate sectors. Tech Serve Solutions supplies this alkyne with a high assay for demanding laboratory and industrial processes.

Organic Synthesis Reagent
1-Phenyl-1-pentyne is utilised as a versatile building block in organic synthesis. Its alkyne functionality allows for participation in a range of chemical reactions, including cycloadditions and nucleophilic additions, facilitating the construction of complex molecular architectures.
Pharmaceutical Intermediate Research
This compound can be employed in the research and development of novel pharmaceutical agents. Its structure may be incorporated into lead compounds, contributing to the exploration of new therapeutic entities.
Material Science Investigations
The unique electronic and structural properties of phenyl-alkyne systems can be explored in material science. 1-Phenyl-1-pentyne may find application in the synthesis of novel polymers or organic electronic materials.
| Molecular weight | 144.21 |
|---|---|
| Linear formula | C6H5C≡CCH2CH2CH3 |
| Assay | 98% |
| Boiling point | 213-215 °C(lit.) |
| Density | 0.903 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5410(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 83 °C / 181.4 °F |
| Transport (UN / ADR) | UN 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36/37/39 |
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 1-Phenyl-1-pentyne used for?
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1-Phenyl-1-pentyne is primarily used as a building block in organic synthesis and for research in areas such as pharmaceutical intermediate development and material science investigations.
What is the CAS number and molecular formula for 1-Phenyl-1-pentyne?
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The CAS number is 4250-81-1 and the molecular formula is C11H10.
What grade and purity does Tech Serve Solutions supply for 1-Phenyl-1-pentyne?
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Tech Serve Solutions supplies 1-Phenyl-1-pentyne with an assay of 98%. This product is not represented as USP, BP, EP, or other pharmacopoeia grades.
What are the primary safety hazards associated with 1-Phenyl-1-pentyne?
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1-Phenyl-1-pentyne is classified as a Warning. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields and gloves, should be worn, and handling should occur in a well-ventilated area or with respiratory protection.
How is 1-Phenyl-1-pentyne packed, shipped, and exported?
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1-Phenyl-1-pentyne is typically packed in accordance with transportation regulations for chemicals. As a global supplier and exporter, Tech Serve Solutions ensures compliance with international shipping standards for hazardous materials, including UN 1993, PGIII.
How can I request a quote or sample for 1-Phenyl-1-pentyne?
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To request a quote or sample of 1-Phenyl-1-pentyne, please contact the Tech Serve Solutions sales team through our official website or provide your details via the product inquiry form.
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