4-Pentyn-2-ol
4-Pentyn-2-ol (CAS: 2117-11-5) is an organic compound with the linear formula HC≡CCH₂CH(OH)CH₃ and a molecular weight of 84.12 g/mol. This terminal alkyne alcohol serves as a valuable building block in organic synthesis. Its reactive alkyne and hydroxyl functionalities allow for diverse chemical transformations, making it useful in the preparation of complex molecules and intermediates for various research and industrial applications.
- IUPAC
- (±)-4-Pentyn-2-ol
Synthesis of Rhenium Complexes
4-Pentyn-2-ol has been employed in the synthesis of novel Fischer-type rhenium (III) benzoyldiazenido-2-oxacyclocarbenes, showcasing its utility in coordination chemistry.
Preparation of C-Aryl Glycosides
The compound can participate in cycloaddition reactions with aryl nitrile oxides, facilitating the preparation of c-aryl glycosides.
Organic Synthesis Building Block
As a bifunctional molecule, 4-Pentyn-2-ol acts as a versatile synthon for introducing both alkyne and secondary alcohol moieties into target structures.
| Molecular weight | 84.12 |
|---|---|
| Linear formula | HC≡CCH2CH(OH)CH3 |
| Assay | ≥98% |
| Boiling point | 126-127 °C(lit.) |
| Density | 0.892 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.438(lit.) |
| Application | 4-Pentyn-2-ol was used in the synthesis of new Fischer-type rhenium (III) benzoyldiazenido-2-oxacyclocarbenes1. It was also used in the preparation of c-aryl glycosides by undergoing cycloaddition reaction with an aryl nitrile oxide2. |
Hazard statements
- H226Flammable liquid and vapour
- 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, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 37 °C / 98.6 °F |
| Transport (UN / ADR) | UN 1987C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 26-36 |
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 4-Pentyn-2-ol used for?
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4-Pentyn-2-ol is used as a building block in organic synthesis, including the preparation of rhenium complexes and c-aryl glycosides.
What are the CAS number and formula for 4-Pentyn-2-ol?
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The CAS number for 4-Pentyn-2-ol is 2117-11-5, and its linear formula is HC≡CCH₂CH(OH)CH₃.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Pentyn-2-ol with an assay of ≥98%. This is a technical/research grade, and we do not represent it as USP, BP, or EP grade.
How should 4-Pentyn-2-ol be handled?
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4-Pentyn-2-ol is a flammable liquid and vapour (H226), and it causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection in a well-ventilated area.
How is 4-Pentyn-2-ol packed and shipped?
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4-Pentyn-2-ol is packed in accordance with transport regulations (UN 1987, Class 3, Packing Group III). TSS exports fine chemicals globally.
How can I request a sample or quote for 4-Pentyn-2-ol?
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Please contact our sales team via the website or email to request a sample or a quotation for 4-Pentyn-2-ol.
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