cis,cis-1,3-Cyclooctadiene
cis,cis-1,3-Cyclooctadiene (CAS 3806-59-5) is a cyclic organic compound with the molecular formula C8H12 and a molecular weight of 108.18 g/mol. This alkene is supplied with a minimum assay of 98%. It serves as a valuable building block in organic synthesis, particularly for creating more complex cyclic structures. Its chemical properties make it useful in various research and development applications within the chemical and pharmaceutical industries.
- Synonyms
- 3806-59-5C8H12

Organic Synthesis Intermediate
cis,cis-1,3-Cyclooctadiene is employed as a versatile intermediate in the synthesis of complex organic molecules. Its reactive diene system allows for various addition reactions, enabling the construction of intricate carbon frameworks for research purposes.
Chemical Research and Development
This compound is utilized in academic and industrial research laboratories for exploring novel chemical transformations and developing new synthetic methodologies. It acts as a foundational molecule for studying cyclooctadiene chemistry.
Building Block for Cyclic Compounds
As a cyclic organic building block, cis,cis-1,3-Cyclooctadiene facilitates the creation of larger or functionalized cyclic systems. Its structure is amenable to various chemical modifications, expanding its utility in synthetic chemistry.
| Molecular weight | 108.18 |
|---|---|
| Empirical formula | C8H12 |
| Assay | 98% |
| Boiling point | 55 °C/34 mmHg(lit.) |
| Density | 0.869 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.493(lit.) |
| Storage temperature | 2-8°C |
| Melting point | −53-−51 °C(lit.) |


Hazard statements
- H226Flammable liquid and vapour
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- 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 | 24 °C / 75.2 °F |
| Transport (UN / ADR) | UN 1992 3/PG 3 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 10-25-36/37/38 |
| Safety statements (S) | 26-45 |
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-1,3-Cyclooctadiene used for?
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cis,cis-1,3-Cyclooctadiene is primarily used as an intermediate in organic synthesis and as a building block for creating more complex cyclic organic molecules in chemical research and development.
What is the CAS number and formula for cis,cis-1,3-Cyclooctadiene?
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The CAS number for cis,cis-1,3-Cyclooctadiene is 3806-59-5, and its empirical formula is C8H12. Its molecular weight is 108.18 g/mol.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies cis,cis-1,3-Cyclooctadiene with a minimum assay of 98%. This is a technical/research grade, and TSS does not represent it as USP, BP, EP, or other pharmacopoeia grades.
How should cis,cis-1,3-Cyclooctadiene be handled safely?
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cis,cis-1,3-Cyclooctadiene is a flammable liquid and vapour (H226), and is harmful if swallowed (H301), causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and ensure adequate ventilation. Avoid heat, sparks, and open flames.
How is cis,cis-1,3-Cyclooctadiene packaged and shipped?
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cis,cis-1,3-Cyclooctadiene is typically packaged in appropriate containers for flammable liquids and shipped in compliance with relevant transportation regulations. TSS exports fine chemicals globally.
How can I request a sample or quote for cis,cis-1,3-Cyclooctadiene?
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To request a sample or a quote for cis,cis-1,3-Cyclooctadiene, please contact the Tech Serve Solutions sales team through our website or direct contact details.
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