Thiophene
Also known as: EINECS 203-729-4, MFCD00005413, Thiacyclopentadiene, Thiofuran, Thiole
Thiophene (CAS 110-02-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4S and a molecular weight of 84.140 g/mol. Key properties include a melting point of -38ºC, a boiling point of 84.2±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of -1.1±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 H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 110-02-1
- Jingsj CID
- J-25608-1
- Molecular Formula
- C4H4S
- Molecular Weight
- 84.140 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -38ºC |
|---|---|
| Boiling Point | 84.2±9.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | -1.1±0.0 °C |
| Exact Mass | 84.003372 |
| PSA | 28.24000 |
| LogP | 1.90 |
| Additional Property | 2.9 (vs air) |
| Vapor Pressure | 81.7±0.1 mmHg at 25°C |
| Refractive Index | 1.537 |
| Additional Property | INSOLUBLE |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- H331 — Toxic if inhaled
- H335 — May cause respiratory irritation
- H340
- H350 — May cause cancer
Customs & Trade Information
| HS Code | 29349990 |
|---|
Frequently Asked Questions
What is the CAS number of Thiophene?
The CAS number of Thiophene is 110-02-1.
What are the molecular formula and molecular weight of Thiophene?
Thiophene has molecular formula C4H4S and molecular weight 84.140 g/mol.
Is Thiophene hazardous?
Thiophene has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H315 — Causes skin irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Thiophene (CAS 110-02-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25608-1 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.