2-Methylthiophene
Also known as: 2-methylthiacyclopentadiene, alpha-methylthiophene, 2-thiotolene, methylthiophene, 2MT
2-Methylthiophene (CAS 554-14-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6S and a molecular weight of 98.166 g/mol. Key properties include a melting point of −63 °C(lit.), a boiling point of 107.9±3.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 7.2±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 554-14-3
- Jingsj CID
- J-1125106-6
- Molecular Formula
- C5H6S
- Molecular Weight
- 98.166 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −63 °C(lit.) |
|---|---|
| Boiling Point | 107.9±3.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 7.2±0.0 °C |
| Exact Mass | 98.019020 |
| PSA | 28.24000 |
| LogP | 2.36 |
| Vapor Pressure | 31.0±0.2 mmHg at 25°C |
| Refractive Index | 1.531 |
| Storage Conditions | Flammables area |
| Additional Property | immiscible |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
Activity & Biological Data
| Additional Information | [1]. Marta Królikowska, et al. Effect of Cation Structure in Quinolinium-Based Ionic Liquids on the Solubility in Aromatic Sulfur Compounds or Heptane: Thermodynamic Study on Phase Diagrams. Molecules |
|---|
Customs & Trade Information
| HS Code | 29349990 |
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Frequently Asked Questions
What is the CAS number of 2-Methylthiophene?
The CAS number of 2-Methylthiophene is 554-14-3.
What are the molecular formula and molecular weight of 2-Methylthiophene?
2-Methylthiophene has molecular formula C5H6S and molecular weight 98.166 g/mol.
Is 2-Methylthiophene hazardous?
2-Methylthiophene has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour.
What are the upstream and downstream products of 2-Methylthiophene?
For 2-Methylthiophene, Upstream Products: 2-(Tributylstannyl)thiophene, iodomethane, 2-Thiophenemethanol; Downstream Products: 2-Methyl-3-nitrothiophene-5-carboxylic Acid, 5-Methylthiophene-2-boronic acid pinacol ester, 1-(5-Methyl-2-thienyl)propan-1-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Methylthiophene (CAS 554-14-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1125106-6 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.