trans-3-Hexen-1-ol
trans-3-Hexen-1-ol (CAS 928-97-2), with the linear formula C2H5CH=CHCH2CH2OH and a molecular weight of 100.16, is an unsaturated primary alcohol. It is recognised for its characteristic odour and serves as a versatile building block in organic synthesis. This compound is primarily utilised in the development of fragrances, flavourings, and as an intermediate in the synthesis of more complex organic molecules within the chemical and pharmaceutical industries.
- IUPAC
- trans-3-Hexenol
- Synonyms
- trans-3-Hexenol(E)-3-Hexen-1-ol

Fragrance and Flavour Intermediate
trans-3-Hexen-1-ol is a valuable precursor in the synthesis of various aroma chemicals and flavour compounds, contributing to fruity and green notes in formulations.
Organic Synthesis Building Block
Its reactive hydroxyl group and alkene functionality make it a useful intermediate for constructing complex organic structures in research and development.
Pharmaceutical Intermediate
This compound can be employed in the multi-step synthesis of active pharmaceutical ingredients (APIs) and other biologically relevant molecules.
| Molecular weight | 100.16 |
|---|---|
| Linear formula | C2H5CH=CHCH2CH2OH |
| Assay | 97% |
| Boiling point | 61-62 °C/12 mmHg(lit.) |
| Density | 0.817 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.439(lit.) |


Hazard statements
- H226Flammable liquid and vapour
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 59 °C / 138.2 °F |
| Transport (UN / ADR) | UN 1987C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36 |
| Safety statements (S) | 26 |
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 trans-3-Hexen-1-ol used for?
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trans-3-Hexen-1-ol is primarily used as an intermediate in the synthesis of fragrances, flavourings, and other complex organic molecules within the chemical and pharmaceutical sectors.
What is the CAS number and molecular formula for trans-3-Hexen-1-ol?
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The CAS number for trans-3-Hexen-1-ol is 928-97-2. Its linear formula is C2H5CH=CHCH2CH2OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies trans-3-Hexen-1-ol with a minimum assay of 97%. We do not represent this product as USP, BP, or EP grade.
What are the primary safety hazards associated with trans-3-Hexen-1-ol?
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trans-3-Hexen-1-ol is a flammable liquid and vapour (H226) and can cause serious eye irritation (H319). Appropriate personal protective equipment, including eyeshields and gloves, should be used. Handle in a well-ventilated area away from ignition sources.
How is trans-3-Hexen-1-ol packed and shipped?
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trans-3-Hexen-1-ol is typically packed in compliance with transportation regulations for flammable liquids. It is exported globally by TSS. For specific packaging details, please contact our sales team.
How can I request a sample or quote for trans-3-Hexen-1-ol?
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To request a sample or a quote for trans-3-Hexen-1-ol, please contact the Tech Serve Solutions sales department via our website or by phone, providing your specific requirements.
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