Ethyl-tetramethylcyclopentadiene
Ethyl-tetramethylcyclopentadiene (CAS: 57693-77-3), with the molecular formula C11H18 and a molecular weight of 150.26 g/mol, is a cyclic alkene. It serves as a valuable building block in organic synthesis. Its specific applications leverage its unique structure for constructing more complex molecules within research and development settings.

Organic Synthesis Intermediate
Ethyl-tetramethylcyclopentadiene is employed as a key intermediate in various organic synthesis pathways. Its reactive nature makes it suitable for the creation of diverse chemical structures.
Research and Development
This compound is utilised in laboratory research for exploring novel chemical reactions and developing new synthetic methodologies. Its structure offers specific reactivity profiles for advanced chemical studies.
Building Block for Complex Molecules
As an organic building block, Ethyl-tetramethylcyclopentadiene contributes to the construction of more complex molecular architectures. It is particularly useful in cyclic chemistry.
| Molecular weight | 150.26 |
|---|---|
| Empirical formula | C11H18 |
| Assay | 97% |
| Boiling point | 60-62 °C/5 mmHg(lit.) |
| Density | 0.841 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.479(lit.) |
| Application | Ethyl-tetramethylcyclopentadiene may be used in chemical synthesis. |


Hazard statements
- H226Flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 55 °C / 131 °F |
| Transport (UN / ADR) | UN 3295C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36/37/39 |
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 Ethyl-tetramethylcyclopentadiene used for?
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Ethyl-tetramethylcyclopentadiene is used in chemical synthesis, primarily as a building block for creating more complex organic molecules in research and development settings.
What are the CAS number and formula for Ethyl-tetramethylcyclopentadiene?
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The CAS number for Ethyl-tetramethylcyclopentadiene is 57693-77-3, and its molecular formula is C11H18.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethyl-tetramethylcyclopentadiene with an assay of 97%. This product is not intended for pharmaceutical, food, or any other regulated use and is not USP, BP, or EP grade.
How should Ethyl-tetramethylcyclopentadiene be handled safely?
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Ethyl-tetramethylcyclopentadiene is a flammable liquid and vapour (H226) and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, in a well-ventilated area. Avoid sources of ignition.
Is Ethyl-tetramethylcyclopentadiene exported by TSS?
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Yes, Tech Serve Solutions is a global supplier and exporter of Ethyl-tetramethylcyclopentadiene.
How can I request a sample or quote for Ethyl-tetramethylcyclopentadiene?
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To request a sample or quote for Ethyl-tetramethylcyclopentadiene, please contact our sales department through the website or via direct inquiry.
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