2-Thiopheneethanol
2-Thiopheneethanol (CAS 5402-55-1) is an organosulfur compound with the molecular formula C6H8OS and a molar mass of 128.19 g/mol. This heterocyclic building block is characterised by a thiophene ring substituted with an ethanol group. It serves as a valuable intermediate in organic synthesis, particularly for the construction of more complex molecules in pharmaceutical and fine chemical research. Its properties make it suitable for various chemical transformations.
- IUPAC
- 2-(2-Thienyl)ethanol,2-(2-Hydroxyethyl)thiophene
- Synonyms
- 2-(2-Thienyl)ethanol2-(2-Hydroxyethyl)thiophene

Organic Synthesis Intermediate
2-Thiopheneethanol is widely employed as a building block in the synthesis of diverse organic compounds. Its functional groups allow for various chemical modifications and incorporation into larger molecular structures.
Pharmaceutical Research
The compound is utilised in the development of novel pharmaceutical agents. Its thiophene moiety is a common feature in many biologically active molecules.
Fine Chemical Manufacturing
It finds application in the fine chemical industry for producing specialised chemicals. The structure lends itself to the creation of specific chemical entities for various industrial purposes.
Heterocyclic Chemistry
As a thiophene derivative, it is a key reagent in heterocyclic chemistry research, enabling the exploration and synthesis of sulphur-containing ring systems.
| Molecular weight | 128.19 |
|---|---|
| Empirical formula | C6H8OS |
| Assay | ≥95.0% (GC) |
| Boiling point | 108-109 °C/13 mmHg(lit.) |
| Density | 1.153 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.551(lit.)n20/D 1.551 |
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | 105 °C / 221 °F |
| Transport (UN / ADR) | UN 3334 |
| 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 2-Thiopheneethanol used for?
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2-Thiopheneethanol is primarily used as an intermediate in organic synthesis, particularly in pharmaceutical research and fine chemical manufacturing due to its thiophene structure and ethanol functional group.
What are the CAS number and formula for 2-Thiopheneethanol?
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The CAS number for 2-Thiopheneethanol is 5402-55-1, and its molecular formula is C6H8OS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Thiopheneethanol with an assay of ≥95.0% (GC). We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards.
How should 2-Thiopheneethanol be handled safely?
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2-Thiopheneethanol is combustible. Handle with appropriate personal protective equipment including eyeshields, gloves, and respiratory protection as indicated by safety data sheets, and ensure good ventilation to avoid exposure.
How is 2-Thiopheneethanol packed, shipped, and exported?
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2-Thiopheneethanol is carefully packed according to international shipping regulations for chemicals. Tech Serve Solutions, as a global supplier and exporter, ensures compliance with all necessary export documentation and transport guidelines.
How can I request a quote or sample for 2-Thiopheneethanol?
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To request a quote or a sample of 2-Thiopheneethanol, please contact our sales team through the dedicated channels on the Tech Serve Solutions website.
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