3-Oxo-3-(2-thienyl)propionitrile
Also known as: 2-Thenoylacetonitrile, 2-Thienoylacetonitrile, 3-Oxo-3-(thiophen-2-yl)propanenitrile, 3-oxo-3-thiophen-2-ylpropanenitrile, 2-Thiophenepropanenitrile, β-oxo-, MFCD00052586
3-Oxo-3-(2-thienyl)propionitrile (CAS 33898-90-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5NOS and a molecular weight of 151.186 g/mol. Key properties include a melting point of 112 °C, a boiling point of 338.3±22.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 158.4±22.3 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 33898-90-7
- Jingsj CID
- J-1001626-9
- Molecular Formula
- C7H5NOS
- Molecular Weight
- 151.186 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 112 °C |
|---|---|
| Boiling Point | 338.3±22.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 158.4±22.3 °C |
| Exact Mass | 151.009186 |
| PSA | 69.10000 |
| LogP | 0.56 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.565 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H318 — Causes serious eye damage
Frequently Asked Questions
What is the CAS number of 3-Oxo-3-(2-thienyl)propionitrile?
The CAS number of 3-Oxo-3-(2-thienyl)propionitrile is 33898-90-7.
What are the molecular formula and molecular weight of 3-Oxo-3-(2-thienyl)propionitrile?
3-Oxo-3-(2-thienyl)propionitrile has molecular formula C7H5NOS and molecular weight 151.186 g/mol.
Is 3-Oxo-3-(2-thienyl)propionitrile hazardous?
3-Oxo-3-(2-thienyl)propionitrile has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H318 — Causes serious eye damage.
What are the upstream and downstream products of 3-Oxo-3-(2-thienyl)propionitrile?
For 3-Oxo-3-(2-thienyl)propionitrile, Upstream Products: 2-Iodothiophene, (Trimethylsilyl)acetonitrile, 2-Thiophenemethanol; Downstream Products: (2-AMINOTHIOPHEN-3-YL)(THIOPHEN-2-YL)METHANONE, 3-(Dimethylamino)-2-(thiophene-2-carbonyl)acrylonitrile, 1-Methyl-3-(2-thienyl)-1H-pyrazol-5-amine.
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-Oxo-3-(2-thienyl)propionitrile (CAS 33898-90-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1001626-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.