cis,cis-1,9-Cyclohexadecadiene
cis,cis-1,9-Cyclohexadecadiene (CAS: 7431-74-5) is a cyclic alkene with the molecular formula C16H28 and a molecular weight of 220.39 g/mol. This compound is recognised for its utility as an organic building block in chemical synthesis. Notably, it has been employed in the preparation of important macrocyclic compounds such as muscone and exaltone, highlighting its role in fragrance and fine chemical production. TSS supplies this chemical with a minimum assay of 97.0%.
- Synonyms
- 7431-74-5

Synthesis of Macrocyclic Ketones
cis,cis-1,9-Cyclohexadecadiene serves as a key precursor in the synthesis of macrocyclic ketones like muscone and exaltone. These compounds are valuable in the fragrance industry for their characteristic musk odour.
Organic Building Block
As a difunctional cyclic alkene, this compound is a versatile building block for constructing more complex organic molecules. Its specific stereochemistry and ring size make it suitable for targeted synthetic pathways.
Research and Development
The compound is utilised in research laboratories for exploring new synthetic methodologies and developing novel chemical entities. Its availability facilitates advancements in organic chemistry and related fields.
| Molecular weight | 220.39 |
|---|---|
| Empirical formula | C16H28 |
| Assay | ≥97.0% |
| Boiling point | 115 °C/0.001 mmHg(lit.) |
| Application | 1,9-Cyclohexadecadiene was used in the synthesis of muscone and exaltone1. |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Flash point | 100 °C / 212 °F |
| Water hazard class (WGK, DE) | 3 |
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,cis-1,9-Cyclohexadecadiene used for?
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cis,cis-1,9-Cyclohexadecadiene is primarily used as a building block in organic synthesis, notably in the preparation of muscone and exaltone.
What is the CAS number and formula for cis,cis-1,9-Cyclohexadecadiene?
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The CAS number is 7431-74-5 and the molecular formula is C16H28.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies cis,cis-1,9-Cyclohexadecadiene with an assay of ≥97.0%. This product is supplied for research and laboratory use and is not represented as USP, BP, EP, or pharmaceutical grade.
What are the safety and handling precautions for this chemical?
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This chemical is combustible and requires handling with appropriate personal protective equipment, including eyeshields and gloves. It has a flash point of 100 °C (212 °F). Refer to the Safety Data Sheet for comprehensive handling instructions.
Does TSS export cis,cis-1,9-Cyclohexadecadiene?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including cis,cis-1,9-Cyclohexadecadiene.
How can I request a quote or sample?
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Please contact our sales team via the website or your usual representative to request a quote or sample of cis,cis-1,9-Cyclohexadecadiene.
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