1,3-Cyclooctadiene
1,3-Cyclooctadiene (CAS: 1700-10-3, C8H12) is a cyclic alkene supplied by Tech Serve Solutions. With a molecular weight of 108.18 g/mol, this compound is a valuable intermediate in organic synthesis. It serves as a versatile building block for creating more complex cyclic structures, including novel bicyclic trienes, making it a key reagent for researchers in synthetic chemistry and materials science.
- Synonyms
- C8H12

Organic Synthesis Intermediate
1,3-Cyclooctadiene functions as a fundamental building block in the synthesis of diverse organic molecules. Its reactive diene system readily participates in various addition and cyclization reactions.
Preparation of Novel Trienes
This compound has been utilised in the preparation of complex bicyclic trienes, such as 2-cyclooct-2-en-1-yl-1,3-cyclooctadiene. This application highlights its role in constructing intricate carbon frameworks.
Research and Development
As a cyclic organic building block, 1,3-cyclooctadiene is employed in academic and industrial research settings for exploring new synthetic methodologies and developing novel chemical entities.
| Molecular weight | 108.18 |
|---|---|
| Empirical formula | C8H12 |
| Assay | ≥95% (GC) |
| Boiling point | 142-144 °C(lit.) |
| Density | 0.873 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.494 |
| Storage temperature | 2-8°C |
| Application | 1,3-Cyclooctadiene has been used in the preparation of 2-cyclooct-2-en-1-yl-1,3-cyclooctadiene, a novel bicyclic triene1. |



Hazard statements
- H226Flammable liquid and vapour
- H304May be fatal if swallowed and enters airways
- H315Causes skin irritation
- H319Causes serious eye irritation
Precautionary statements
- 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 / 77 °F |
| Transport (UN / ADR) | UN 2520 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 10-36/38-65 |
| Safety statements (S) | 26-36-62 |
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 1,3-Cyclooctadiene used for?
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1,3-Cyclooctadiene is primarily used as an intermediate in organic synthesis and as a building block for creating complex cyclic structures, including novel bicyclic trienes.
What is the CAS number and molecular formula for 1,3-Cyclooctadiene?
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The CAS number for 1,3-Cyclooctadiene is 1700-10-3, and its molecular formula is C8H12.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,3-Cyclooctadiene with an assay of ≥95% (GC). This product is not represented as USP, BP, or EP grade.
How should 1,3-Cyclooctadiene be handled safely?
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1,3-Cyclooctadiene is a flammable liquid and vapour (H226), may be fatal if swallowed and enters airways (H304), and causes skin (H315) and serious eye irritation (H319). Handle with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, in a well-ventilated area. Store at 2-8°C.
How is 1,3-Cyclooctadiene packed, shipped, or exported?
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1,3-Cyclooctadiene is packed in compliance with international transport regulations. As a flammable liquid, it is classified under UN 2520, Hazard Class 3, Packing Group III for shipment.
How can I request a sample or quote for 1,3-Cyclooctadiene?
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To request a sample or a quote for 1,3-Cyclooctadiene, please contact our sales team through the website or by phone.
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