1,5-Hexadien-3-ol
1,5-Hexadien-3-ol (CAS 924-41-4) is an unsaturated alcohol with the molecular formula C6H10O and a molecular weight of 98.14 g/mol. This versatile organic building block features two double bonds and a hydroxyl group, making it a valuable intermediate in chemical synthesis. It is primarily utilised in the creation of more complex organic molecules and fine chemicals.
- Synonyms
- 1,5-Hexadien-3-olH2C=CHCH2CH(OH)CH=CH2

Synthesis of Natural Products
1,5-Hexadien-3-ol has been employed as a key intermediate in the total synthesis of complex natural products, such as the marine toxin (+)-obtusenyne.
Organic Synthesis Intermediate
As a diene alcohol, this compound offers multiple reactive sites for various organic transformations. It serves as a versatile building block for constructing diverse molecular architectures in research and development.
Fine Chemical Production
The compound is a useful precursor in the production of specialised fine chemicals, where its unique structural features can be incorporated into target molecules.
| Molecular weight | 98.14 |
|---|---|
| Linear formula | H2C=CHCH2CH(OH)CH=CH2 |
| Assay | 95% |
| Density | 0.878 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.448(lit.) |
| Application | 1,5-Hexadien-3-ol was used in the synthesis of (+)-obtusenyne1. |

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 | 29 °C / 84.2 °F |
| Transport (UN / ADR) | UN 1987C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Risk statements (R) | 10 |
| Safety statements (S) | 16-33-36/37/39 |
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 1,5-Hexadien-3-ol primarily used for?
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1,5-Hexadien-3-ol is used as an intermediate and building block in organic synthesis, including in the preparation of natural products like (+)-obtusenyne.
What is the CAS number and molecular formula for 1,5-Hexadien-3-ol?
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The CAS number for 1,5-Hexadien-3-ol is 924-41-4, and its linear formula is H₂C=CHCH₂CH(OH)CH=CH₂.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,5-Hexadien-3-ol with an assay of 95%. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeial grade.
How should 1,5-Hexadien-3-ol be handled safely?
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1,5-Hexadien-3-ol is a flammable liquid and vapour (H226). Handle with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, in a well-ventilated area away from ignition sources.
Is 1,5-Hexadien-3-ol available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 1,5-Hexadien-3-ol.
How can I request a sample or quote for 1,5-Hexadien-3-ol?
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Please contact the Tech Serve Solutions sales team directly via our website or your dedicated account manager to request a sample or obtain a quotation.
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