cis-3-Hexene
cis-3-Hexene (CAS: 7642-09-3), a volatile acyclic alkene with the molecular formula C6H12, is a valuable organic building block. It is a colourless liquid at room temperature, characterised by its high flammability and potential for use in various chemical synthesis pathways. Utilised primarily as an intermediate in organic chemistry research and development, cis-3-Hexene plays a role in the construction of more complex molecules.

Organic Synthesis Intermediate
cis-3-Hexene serves as a reactive intermediate in organic synthesis. Its alkene functionality allows for participation in addition reactions, making it useful for building carbon chains and introducing specific structural motifs.
Research and Development
This compound is employed in research laboratories for exploring new synthetic methodologies and creating novel organic compounds. It acts as a fundamental starting material for academic and industrial R&D projects.
Chemical Building Block
As a six-carbon alkene, cis-3-Hexene is a versatile building block for the synthesis of various organic molecules. Its defined structure is amenable to functionalization and incorporation into larger chemical frameworks.
| Molecular weight | 84.16 |
|---|---|
| Empirical formula | C6H12 |
| Assay | ≥95.0% |
| Boiling point | 66-68 °C(lit.) |
| Density | 0.681 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.395 |



Hazard statements
- H225Highly flammable liquid and vapour
- H304May be fatal if swallowed and enters airways
- H319Causes serious eye irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P301IF SWALLOWED
- P305IF IN EYES
- P331Do NOT induce vomiting
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | -25 °C / -13 °F |
| Transport (UN / ADR) | UN 3295BE 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xn |
| Risk statements (R) | 11-36-65 |
| Safety statements (S) | 26-62 |
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 cis-3-Hexene used for?
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cis-3-Hexene is primarily used as an intermediate in organic synthesis and as a building block in chemical research and development laboratories.
What is the CAS number and chemical formula for cis-3-Hexene?
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The CAS number for cis-3-Hexene is 7642-09-3, and its chemical formula is C6H12.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies cis-3-Hexene with a minimum purity of 95.0%. This product is typically considered a technical or research grade and is not represented as USP, BP, or EP.
How should cis-3-Hexene be handled safely?
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cis-3-Hexene is a highly flammable liquid and vapour (H225) and may be fatal if swallowed and enters airways (H304), and causes serious eye irritation (H319). Handle with appropriate personal protective equipment including eyeshields, gloves, and respiratory protection in a well-ventilated area, away from ignition sources.
How is cis-3-Hexene packed and shipped?
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cis-3-Hexene is shipped as a hazardous material under UN 3295, Packing Group II, according to international regulations for flammable liquids. TSS exports this chemical globally.
How can I request a quote or sample of cis-3-Hexene?
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To request a quote or a sample of cis-3-Hexene, please contact the Tech Serve Solutions sales team through our website or by phone.
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