1-(4-nitrothiophen-2-yl)ethanone
1-(4-硝基-2-噻吩)-乙酮
Also known as: 1-(4-Nitro-2-thienyl)ethanone, 2-Acetyl-4-nitrothiophene, Ethanone, 1-(4-nitro-2-thienyl)-, 1-(4-Nitrothiophen-2-yl)ethan-1-one, 1-(4'-nitro-2'-thienyl)ethanone, 1-(4-Nitro-[2]thienyl)-aethanon, 3-Nitro-5-acetyl-thiophen
1-(4-nitrothiophen-2-yl)ethanone (CAS 42791-51-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5NO3S and a molecular weight of 171.17400 g/mol. It is also known as 1-(4-Nitro-2-thienyl)ethanone, 2-Acetyl-4-nitrothiophene and Ethanone, 1-(4-nitro-2-thienyl)-. Key properties include a boiling point of 280.9ºC at 760 mmHg, a density of 1.399g/cm3 and a flash point of 123.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 42791-51-5
- Jingsj CID
- J-1377851-2
- Molecular Formula
- C6H5NO3S
- Chinese Name
- 1-(4-硝基-2-噻吩)-乙酮
- Molecular Weight
- 171.17400 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 280.9ºC at 760 mmHg |
|---|---|
| Density | 1.399g/cm3 |
| Flash Point | 123.7ºC |
Frequently Asked Questions
What is the CAS number of 1-(4-nitrothiophen-2-yl)ethanone?
The CAS number of 1-(4-nitrothiophen-2-yl)ethanone is 42791-51-5.
What are the molecular formula and molecular weight of 1-(4-nitrothiophen-2-yl)ethanone?
1-(4-nitrothiophen-2-yl)ethanone has molecular formula C6H5NO3S and molecular weight 171.17400 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-(4-nitrothiophen-2-yl)ethanone (CAS 42791-51-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1377851-2 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.