cis-3-Heptene
cis-3-Heptene (CAS: 7642-10-6), a chemical formula CH3CH2CH2CH=CHC2H5, has a molecular weight of 98.19 g/mol. This acyclic alkene serves as a valuable organic building block in chemical synthesis. Its defined stereochemistry makes it useful in reactions where specific isomer formation is critical. Offered by Tech Serve Solutions, it is primarily utilised in research and industrial settings for the development of novel chemical compounds and materials.

Organic Synthesis Intermediate
cis-3-Heptene is employed as a building block in the synthesis of more complex organic molecules. Its alkene functionality allows for a variety of addition reactions, facilitating the construction of carbon frameworks.
Research and Development
In R&D settings, this compound is used to explore new synthetic routes and develop novel materials. Its specific stereoisomer configuration can be crucial for targeted research applications.
Specialty Chemical Production
It can be used in the production of specialty chemicals where precise molecular structures are required. This includes potential applications in areas like flavour and fragrance chemistry or materials science.
| Molecular weight | 98.19 |
|---|---|
| Linear formula | CH3CH2CH2CH=CHC2H5 |
| Assay | 96% |
| Boiling point | 95.7 °C(lit.) |
| Density | 0.703 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.406(lit.) |
| Vapour pressure | 96 mmHg (37.7 °C) |


Hazard statements
- H225Highly flammable liquid and vapour
- H319Causes serious eye irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- 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 | -7 °C / 19.4 °F |
| Transport (UN / ADR) | UN 3295BF 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-36 |
| Safety statements (S) | 3-26-36 |
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-3-Heptene used for?
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cis-3-Heptene is primarily used as an organic building block in chemical synthesis and for research and development purposes, particularly where specific stereochemistry is important.
What is the CAS number and formula for cis-3-Heptene?
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The CAS number for cis-3-Heptene is 7642-10-6 and its linear formula is CH3CH2CH2CH=CHC2H5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies cis-3-Heptene with a minimum assay of 96%. This is a technical grade suitable for research and synthesis. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should cis-3-Heptene be handled safely?
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cis-3-Heptene is a highly flammable liquid and vapour (H225) and causes serious eye irritation (H319). Handle in a well-ventilated area away from ignition sources. Always wear appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection as indicated by the safety data sheet.
Is cis-3-Heptene a controlled substance?
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Based on the provided data, cis-3-Heptene is not listed as a controlled substance.
How is cis-3-Heptene packaged, shipped, and exported?
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cis-3-Heptene is packaged according to relevant transport regulations for hazardous materials, such as UN 3295BF 3 / PGII. Tech Serve Solutions is experienced in global export and ensures compliance with all international shipping standards.
How can I request a quote or sample of cis-3-Heptene?
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To request a quote or sample, please contact our sales department through the website or by phone, providing your details and the product CAS number 7642-10-6.
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