1-Phenyl-1-pentyn-3-ol
1-Phenyl-1-pentyn-3-ol (CAS: 27975-78-6), with the molecular formula C11H12O and a molecular weight of 160.21 g/mol, is a versatile organic building block. This tertiary acetylenic alcohol is utilised in organic synthesis, particularly in the construction of more complex molecular architectures. Its defined chemical structure makes it a valuable intermediate for research and development in various chemical disciplines.

Organic Synthesis Intermediate
Serves as a key intermediate in multi-step organic syntheses, enabling the formation of diverse chemical structures. Its alkyne and alcohol functionalities offer multiple reaction pathways.
Building Block for Complex Molecules
Utilised in the construction of specialised organic compounds where precise molecular design is required. Applicable in research settings for novel compound discovery.
Research and Development
Employed in laboratory settings for investigating new chemical reactions and developing novel materials or pharmaceutical candidates.
| Molecular weight | 160.21 |
|---|---|
| Empirical formula | C11H12O |
| Assay | 97% |
| Density | 1.336 g/mL at 25 °C |
| Refractive index | n20/D 1.559 |

Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | >110 °C / >230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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-pentyn-3-ol used for?
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1-Phenyl-1-pentyn-3-ol is primarily used as an intermediate in organic synthesis and as a building block for creating more complex organic molecules in research and development settings.
What are the CAS number and formula for 1-Phenyl-1-pentyn-3-ol?
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The CAS number is 27975-78-6 and the molecular formula is C11H12O.
What grade and purity does Tech Serve Solutions supply for 1-Phenyl-1-pentyn-3-ol?
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Tech Serve Solutions supplies 1-Phenyl-1-pentyn-3-ol with an assay of 97%. This product is supplied for research and technical purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 1-Phenyl-1-pentyn-3-ol be handled safely?
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1-Phenyl-1-pentyn-3-ol is classified as harmful if swallowed and causes serious eye irritation (H302, H319). Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Handle in a well-ventilated area and avoid contact with eyes, skin, and clothing. Consult the Safety Data Sheet (SDS) for comprehensive handling information.
Is 1-Phenyl-1-pentyn-3-ol a controlled substance?
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The provided data does not indicate that 1-Phenyl-1-pentyn-3-ol is a controlled substance.
How is 1-Phenyl-1-pentyn-3-ol packed and shipped?
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Tech Serve Solutions packs and exports fine chemicals like 1-Phenyl-1-pentyn-3-ol in compliance with international shipping regulations to ensure safe transit.
How can I request a quote or sample of 1-Phenyl-1-pentyn-3-ol?
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To request a quote or sample, please contact our sales department through the website or by phone, providing the product name and CAS number (27975-78-6).
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