1-(2-Thienyl)butan-1-one
Also known as: 2-Butanoylthiophene, 2-Butyrylthiophene, 2-n-Butyrylthiophene, 1-(2-Thienyl)-1-butanone, 1-(Thiophen-2-yl)butan-1-one, 1-Thien-2-ylbutan-1-one, 1-Thiophen-2-yl-butan-1-one, n-Propyl 2-thienyl ketone, Propyl 2-thienyl ketone, propyl thiophen-2-yl ketone
1-(2-Thienyl)butan-1-one (CAS 5333-83-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H10OS and a molecular weight of 154.229 g/mol. Key properties include a boiling point of 245.8±13.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 102.4±19.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5333-83-5
- Jingsj CID
- J-1019598-9
- Molecular Formula
- C8H10OS
- Molecular Weight
- 154.229 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 245.8±13.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 102.4±19.8 °C |
| Exact Mass | 154.045242 |
| PSA | 45.31000 |
| LogP | 2.32 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.525 |
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 1-(2-Thienyl)butan-1-one?
The CAS number of 1-(2-Thienyl)butan-1-one is 5333-83-5.
What are the molecular formula and molecular weight of 1-(2-Thienyl)butan-1-one?
1-(2-Thienyl)butan-1-one has molecular formula C8H10OS and molecular weight 154.229 g/mol.
What are the upstream and downstream products of 1-(2-Thienyl)butan-1-one?
For 1-(2-Thienyl)butan-1-one, Upstream Products: 2-(Tributylstannyl)thiophene, Butyryl chloride, 2-Iodothiophene; Downstream Products: Octane, 2-Butylthiophene, 5-Butylthiophene-2-carbaldehyde.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-(2-Thienyl)butan-1-one (CAS 5333-83-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1019598-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.