3-Methylthiophene
Also known as: 3MT, β-Methylthiophene, Methylthiophene, 3-methyl thiophene, Thiophene, 3-methyl-, 3-Thiotolene, NSC 65439, 3-methylthiene
3-Methylthiophene (CAS 616-44-4) 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 −69 °C(lit.), a boiling point of 114.2±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 11.1±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 616-44-4
- Jingsj CID
- J-1510975-8
- 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 | −69 °C(lit.) |
|---|---|
| Boiling Point | 114.2±9.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 11.1±0.0 °C |
| Exact Mass | 98.019020 |
| PSA | 28.24000 |
| LogP | 2.36 |
| Vapor Pressure | 23.8±0.2 mmHg at 25°C |
| Refractive Index | 1.531 |
| Additional Property | insoluble |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H302 — Harmful if swallowed
- H332 — Harmful if inhaled
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 3-Methylthiophene?
The CAS number of 3-Methylthiophene is 616-44-4.
What are the molecular formula and molecular weight of 3-Methylthiophene?
3-Methylthiophene has molecular formula C5H6S and molecular weight 98.166 g/mol.
Is 3-Methylthiophene hazardous?
3-Methylthiophene has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H332 — Harmful if inhaled.
What are the upstream and downstream products of 3-Methylthiophene?
For 3-Methylthiophene, Upstream Products: 3-Thiophenemethanol, 3-Bromothiophene, isoprene; Downstream Products: 3-Methylthiolane, 2-Bromo-3-(bromomethyl)thiophene, 3-Bromomethylthiophene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Methylthiophene (CAS 616-44-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1510975-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.