2-Ethylthiophene
2-Ethylthiophene (CAS: 872-55-9), with the molecular formula C6H8S and a molecular weight of 112.19 g/mol, is a heterocyclic organic compound. It serves as a valuable building block in chemical synthesis, particularly for creating more complex thiophene derivatives. This chemical is widely utilised in research and development laboratories for its versatile reactivity in organic chemistry, contributing to the synthesis of novel materials and compounds.

Chemical Synthesis
2-Ethylthiophene is employed as a key intermediate and building block in organic synthesis. Its thiophene ring structure allows for various functionalisation reactions, making it useful for constructing complex molecules.
Heterocyclic Chemistry
As a substituted thiophene, this compound is instrumental in heterocyclic chemistry research. It enables the exploration and development of new heterocyclic structures with potential applications in materials science and pharmaceuticals.
Materials Science Research
The unique electronic properties of thiophene derivatives make 2-Ethylthiophene a subject of interest in materials science. It can be incorporated into polymers and organic electronic devices.
| Molecular weight | 112.19 |
|---|---|
| Empirical formula | C6H8S |
| Assay | 97% |
| Boiling point | 132-134 °C(lit.) |
| Density | 0.99 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.513(lit.) |

Hazard statements
- H226Flammable liquid and vapour
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 27 °C / 80.6 °F |
| Transport (UN / ADR) | UN 1993BF 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Risk statements (R) | 10 |
| Safety statements (S) | 23-24/25 |
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 2-Ethylthiophene used for?
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2-Ethylthiophene is primarily used as a building block in chemical synthesis, particularly in the development of heterocyclic compounds and for research in materials science.
What are the CAS number and chemical formula for 2-Ethylthiophene?
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The CAS number for 2-Ethylthiophene is 872-55-9, and its chemical formula is C6H8S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions typically supplies 2-Ethylthiophene with an assay of 97%. This product is supplied for research and development purposes and is not represented as USP, BP, or EP grade.
What are the safety and handling considerations for 2-Ethylthiophene?
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2-Ethylthiophene is a flammable liquid (H226) and requires careful handling. It has a flash point of 27 °C (80.6 °F). Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, should be used when handling this chemical. Ensure adequate ventilation and keep away from ignition sources.
Is 2-Ethylthiophene a controlled substance?
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The provided data does not indicate that 2-Ethylthiophene is a controlled substance.
How is 2-Ethylthiophene packed and shipped?
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2-Ethylthiophene is shipped as a UN 1993 BF 3 / PG II hazardous material. Specific packaging details can be provided upon request, and TSS exports globally.
How can I request a sample or quote for 2-Ethylthiophene?
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To request a sample or quote for 2-Ethylthiophene, please contact the TSS sales department through the website or by phone, providing your specific requirements.
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