2-Methylthiophene
2-Methylthiophene (CAS: 554-14-3), with the molecular formula C5H6S and a molecular weight of 98.17 g/mol, is a heterocyclic organic compound. This flammable liquid serves as a valuable building block in chemical synthesis. It is frequently employed in the creation of more complex molecules, particularly within the realm of heterocyclic chemistry and thiophene derivatives.

Chemical Synthesis Intermediate
2-Methylthiophene acts as a key intermediate in organic synthesis, enabling the construction of diverse chemical structures. Its thiophene ring system is a common motif in pharmaceuticals and materials science.
Heterocyclic Chemistry
As a substituted thiophene, this compound is fundamental in the study and synthesis of sulfur-containing heterocyclic compounds. It allows for further functionalization and elaboration of the thiophene core.
Research and Development
Utilised in research laboratories for exploring new synthetic routes and developing novel compounds with potential applications in various scientific fields.
| Molecular weight | 98.17 |
|---|---|
| Empirical formula | C5H6S |
| Assay | 98% |
| Boiling point | 113 °C(lit.) |
| Density | 1.014 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.52(lit.) |
| Vapour pressure | 47.6 mmHg (37.7 °C) |
| Melting point | −63 °C(lit.) |

Hazard statements
- H225Highly flammable liquid and vapour
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 15 °C / 59 °F |
| Transport (UN / ADR) | UN 1993BF 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11 |
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-Methylthiophene used for?
+
2-Methylthiophene is primarily used as a building block in chemical synthesis and in heterocyclic chemistry research.
What are the CAS number and formula for 2-Methylthiophene?
+
The CAS number for 2-Methylthiophene is 554-14-3, and its molecular formula is C5H6S.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 2-Methylthiophene with an assay of 98%. This is a technical/research grade, and TSS does not represent it as USP, BP, or EP.
How should 2-Methylthiophene be handled safely?
+
2-Methylthiophene is a highly flammable liquid (Flash Point: 15 °C) and requires careful handling. Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, should be used in a well-ventilated area away from ignition sources.
Is 2-Methylthiophene shipped internationally?
+
Yes, Tech Serve Solutions exports and supplies 2-Methylthiophene globally to meet the needs of researchers and manufacturers.
How can I request a sample or quote for 2-Methylthiophene?
+
To request a sample or a quote for 2-Methylthiophene, please contact the Tech Serve Solutions sales team via our website or direct inquiry.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis