cis-2-Hexene
cis-2-Hexene (CAS: 7688-21-3), with the linear formula CH3CH2CH2CH=CHCH3 and a molecular weight of 84.16 g/mol, is an acyclic alkene. This organic compound serves as a versatile building block in chemical synthesis. Its primary applications lie in organic chemistry research and development, contributing to the creation of more complex molecules through various synthetic pathways. It is supplied by Tech Serve Solutions at a purity of 95%.

Organic Synthesis Intermediate
cis-2-Hexene functions as a crucial intermediate in the synthesis of various organic compounds. Its alkene functionality allows for diverse reactions such as addition, oxidation, and polymerization, enabling the construction of complex molecular architectures.
Research and Development
This compound is valuable in academic and industrial research settings for exploring new synthetic methodologies and developing novel materials. Its specific stereochemistry (cis configuration) can be important in stereoselective synthesis.
Building Block for Specialty Chemicals
As an organic building block, cis-2-Hexene can be employed in the production of specialty chemicals where precise structural features are required. Its incorporation can impart specific physical or chemical properties to the final product.
| Molecular weight | 84.16 |
|---|---|
| Linear formula | CH3CH2CH2CH=CHCH3 |
| Assay | 95% |
| Boiling point | 68-70 °C(lit.) |
| Density | 0.669 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.396(lit.) |
| Storage temperature | 2-8°C |


Hazard statements
- H225Highly flammable liquid and vapour
- 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
- P305IF IN EYES
| 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,Xi |
| Risk statements (R) | 11-36/37/38 |
| Safety statements (S) | 16-26-36 |
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-2-Hexene used for?
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cis-2-Hexene is primarily used as a building block and intermediate in organic synthesis and research and development. It is valuable for constructing complex organic molecules.
What are the CAS number and formula for cis-2-Hexene?
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The CAS number for cis-2-Hexene is 7688-21-3, and its linear formula is CH3CH2CH2CH=CHCH3.
What grade and purity does Tech Serve Solutions supply for cis-2-Hexene?
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Tech Serve Solutions supplies cis-2-Hexene with an assay of 95%. We do not represent this product as USP, BP, or EP grade unless explicitly stated otherwise in the product specifications.
How should cis-2-Hexene be handled safely?
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cis-2-Hexene is highly flammable (H225) and causes skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle in a well-ventilated area, away from ignition sources, wearing appropriate personal protective equipment including eyeshields and chemical-resistant gloves. Refer to the Safety Data Sheet for comprehensive handling information.
Is cis-2-Hexene a controlled substance?
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The provided data does not indicate that cis-2-Hexene is a controlled substance.
How is cis-2-Hexene typically packed and shipped?
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cis-2-Hexene is shipped as a hazardous material, UN 3295, Class 3, Packing Group II. Packaging and shipping methods comply with international regulations for flammable liquids.
How can I request a sample or a quote for cis-2-Hexene?
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To request a sample or a quote for cis-2-Hexene, please contact our sales department via the website or provide your inquiry through the designated contact channels.
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