(S)-(+)-5-Hexen-2-ol
(S)-(+)-5-Hexen-2-ol (CAS: 17397-24-9) is a chiral alcohol with the molecular formula CH2=CHCH2CH2CH(OH)CH3 and a molecular weight of 100.16 g/mol. This optically active compound, exhibiting a specific rotation of +15.0°, is valuable in asymmetric synthesis. Its structure, featuring both an alkene and a secondary alcohol, makes it a versatile building block in organic chemistry for the synthesis of complex molecules.

Chiral Building Block
Utilised in stereoselective synthesis due to its defined chirality, facilitating the construction of enantiomerically pure target molecules in pharmaceutical and fine chemical industries.
Organic Synthesis Intermediate
Serves as a reactive intermediate in the preparation of more complex organic compounds, leveraging the reactivity of its hydroxyl group and alkene moiety.
Asymmetric Synthesis
Employed in reactions requiring precise stereochemical control, enabling the synthesis of compounds with specific spatial arrangements of atoms.
| Molecular weight | 100.16 |
|---|---|
| Linear formula | CH2=CHCH2CH2CH(OH)CH3 |
| Assay | 97% |
| Boiling point | 130-131 °C(lit.) |
| Density | 0.828 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4320(lit.) |
| Optical activity | [α]20/D +15.0°, c = 1 in chloroform |
| Optical purity | 99.3% |

Hazard statements
- H226Flammable liquid and vapour
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 43 °C / 109.4 °F |
| Transport (UN / ADR) | UN 1987C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Risk statements (R) | 10 |
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 (S)-(+)-5-Hexen-2-ol used for?
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(S)-(+)-5-Hexen-2-ol is primarily used as a chiral building block and intermediate in asymmetric synthesis and general organic chemistry for the construction of complex molecules.
What is the CAS number and formula for (S)-(+)-5-Hexen-2-ol?
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The CAS number is 17397-24-9 and the linear formula is CH2=CHCH2CH2CH(OH)CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (S)-(+)-5-Hexen-2-ol with an assay of 97% and 99.3% optical purity. TSS does not represent this product as USP, BP, or EP grade.
How should (S)-(+)-5-Hexen-2-ol be handled?
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This compound is a flammable liquid and vapour (H226). Handle with appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection suitable for organic vapours, in a well-ventilated area.
Is (S)-(+)-5-Hexen-2-ol a controlled substance?
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The provided data does not indicate that (S)-(+)-5-Hexen-2-ol is a controlled substance.
How is (S)-(+)-5-Hexen-2-ol packed, shipped, and exported?
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(S)-(+)-5-Hexen-2-ol is shipped according to UN 1987C 3 / PGIII regulations. Tech Serve Solutions exports fine chemicals globally.
How can I request a sample or quote?
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Please contact the Tech Serve Solutions sales team via our website to request a sample or obtain a quotation for (S)-(+)-5-Hexen-2-ol.
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