1,5-Hexadiene
1,5-Hexadiene (CAS 592-42-7) is an acyclic alkene with the molecular formula C6H10 and a molar mass of 82.14 g/mol. This volatile organic compound is characterised by its two terminal double bonds, making it a reactive intermediate. It finds application as a building block in organic synthesis and polymer chemistry. Tech Serve Solutions supplies 1,5-Hexadiene with a purity of 97%.
- Synonyms
- H2C=CHCH2CH2CH=CH21,5-Hexadienehex-1,5-diene

Organic Synthesis
1,5-Hexadiene serves as a versatile building block in organic synthesis. Its conjugated diene structure allows for participation in various cyclisation reactions and the formation of complex cyclic compounds.
Polymerisation Reactions
The presence of two vinyl groups makes 1,5-Hexadiene a useful monomer or co-monomer in polymer chemistry. It can be employed in the synthesis of speciality polymers and cross-linking agents.
Research Chemical
Utilised in academic and industrial research laboratories for exploring new reaction pathways and developing novel materials. Its specific structure facilitates investigations into stereoselective synthesis.
| Molecular weight | 82.14 |
|---|---|
| Linear formula | H2C=CHCH2CH2CH=CH2 |
| Assay | 97% |
| Boiling point | 60 °C(lit.) |
| Density | 0.692 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.404(lit.) |
| Vapour pressure | 367 mmHg (37.7 °C) |
| Melting point | −141 °C(lit.) |
| Storage temperature | 2-8°C |



Hazard statements
- H225Highly flammable liquid and vapour
- H304May be fatal if swallowed and enters airways
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- P305IF IN EYES
- P331Do NOT induce vomiting
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | -27 °C / -16.6 °F |
| Transport (UN / ADR) | UN 2458 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xn |
| Risk statements (R) | 11-36/37/38-65 |
| Safety statements (S) | 16-62 |
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-Hexadiene used for?
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1,5-Hexadiene is primarily used as a building block in organic synthesis and in polymerisation reactions. It is also employed as a research chemical for exploring new reaction pathways and developing novel materials.
What are the CAS number and formula for 1,5-Hexadiene?
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The CAS number for 1,5-Hexadiene is 592-42-7, and its linear formula is H₂C=CHCH₂CH₂CH=CH₂.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,5-Hexadiene with an assay of 97%. We do not represent this product as USP, BP, or EP grade; it is supplied for research and chemical synthesis purposes.
How should 1,5-Hexadiene be handled safely?
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1,5-Hexadiene is a highly flammable liquid and vapour (Flash Point -27°C). It can cause skin and serious eye irritation, and may cause respiratory irritation. Aspiration into the lungs may cause death. Handle with appropriate personal protective equipment including eyeshields, gloves, and a suitable respirator in a well-ventilated area. Store at 2-8°C.
Is 1,5-Hexadiene a controlled substance?
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Based on the provided data, 1,5-Hexadiene is not listed as a controlled substance.
How is 1,5-Hexadiene packed and shipped?
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1,5-Hexadiene is shipped under UN 2458, Class 3, Packing Group II, as a flammable liquid. Packaging details will be confirmed upon order; TSS exports globally.
How can I request a quote or sample of 1,5-Hexadiene?
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To request a quote or sample, please contact our sales team through the website or by phone. Please specify the quantity required.
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