2-Methoxythiophene
2-Methoxythiophene (CAS: 16839-97-7), with the empirical formula C5H6OS and a molecular weight of 114.17 g/mol, is a heterocyclic organic compound. This thiophene derivative serves as a valuable building block in organic synthesis, particularly within the chemical industry for the development of novel compounds and materials. Its specific structure lends itself to diverse chemical transformations.

Organic Synthesis Intermediate
2-Methoxythiophene is utilised as a key intermediate in complex organic synthesis pathways. It enables the construction of more intricate molecular architectures relevant to pharmaceutical and materials science research.
Heterocyclic Chemistry
As a substituted thiophene, this compound is important in heterocyclic chemistry research. It allows for the study and development of new thiophene-based compounds with potentially useful properties.
Research and Development
This chemical serves as a reagent in research and development laboratories exploring new synthetic methodologies and discovering novel chemical entities. Its availability facilitates experimental innovation.
| Molecular weight | 114.17 |
|---|---|
| Empirical formula | C5H6OS |
| Assay | 97% |
| Boiling point | 151-152 °C/762 mmHg(lit.) |
| Density | 1.133 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.528(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 | 43 °C / 109.4 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Risk statements (R) | 10 |
| Safety statements (S) | 16 |
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-Methoxythiophene used for?
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2-Methoxythiophene is primarily used as an intermediate and building block in organic synthesis, particularly within heterocyclic chemistry and for research and development purposes.
What is the CAS number and chemical formula for 2-Methoxythiophene?
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The CAS number for 2-Methoxythiophene is 16839-97-7, and its chemical formula is C5H6OS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Methoxythiophene with an assay of 97%. TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should 2-Methoxythiophene be handled safely?
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2-Methoxythiophene is a flammable liquid and vapour (H226). Handle with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, in a well-ventilated area away from ignition sources.
Is 2-Methoxythiophene available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals like 2-Methoxythiophene, adhering to all relevant shipping regulations.
How can I request a quote or sample?
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To request a quote or sample of 2-Methoxythiophene, please contact our sales department via the website or direct phone line.
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