3-Butylthiophene
Also known as: 3-n-Butylthiophene, 3-Butyl-thiophene, Thiophene, 3-butyl-, MFCD00143179
3-Butylthiophene (CAS 34722-01-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H12S and a molecular weight of 140.246 g/mol. Key properties include a boiling point of 184.0±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 44.5±4.9 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 34722-01-5
- Jingsj CID
- J-1369731-9
- Molecular Formula
- C8H12S
- Molecular Weight
- 140.246 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 184.0±9.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 44.5±4.9 °C |
| Exact Mass | 140.065964 |
| PSA | 28.24000 |
| LogP | 3.95 |
| Vapor Pressure | 1.0±0.3 mmHg at 25°C |
| Refractive Index | 1.512 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
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-Butylthiophene?
The CAS number of 3-Butylthiophene is 34722-01-5.
What are the molecular formula and molecular weight of 3-Butylthiophene?
3-Butylthiophene has molecular formula C8H12S and molecular weight 140.246 g/mol.
Is 3-Butylthiophene hazardous?
3-Butylthiophene has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour.
What are the upstream and downstream products of 3-Butylthiophene?
For 3-Butylthiophene, Upstream Products: 3-Bromothiophene, 1-Iodobutane, 1-Bromobutane; Downstream Products: 2-Bromo-3-butylthiophene.
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-Butylthiophene (CAS 34722-01-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1369731-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.