4-Ethynylbenzenesulfonamide
4-乙炔基苯磺酰胺
Also known as: 4-Ethynybenzenesulfonamide, 4-ethynyl benzenesulfonamide, 4-ethynyl-benzenesulphonamide, 4-ethynylbenzene-1-sulfonaMide, Benzenesulfonamide, 4-ethynyl-, Benzenesulfonamide, 4-ethynyl- (9CI), p-Ethynylbenzenesulfonamide, p-Ethynylbenzolsulfonamid
4-Ethynylbenzenesulfonamide (CAS 1788-08-5) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C8H7NO2S and a molecular weight of 181.212 g/mol. It is also known as 4-Ethynybenzenesulfonamide, 4-ethynyl benzenesulfonamide and 4-ethynyl-benzenesulphonamide. Key properties include a melting point of 180 °C, a boiling point of 338.2±44.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 158.4±28.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1788-08-5
- Jingsj CID
- J-1393528-1
- Molecular Formula
- C8H7NO2S
- Chinese Name
- 4-乙炔基苯磺酰胺
- Molecular Weight
- 181.212 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 180 °C |
|---|---|
| Boiling Point | 338.2±44.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 158.4±28.4 °C |
Frequently Asked Questions
What is the CAS number of 4-Ethynylbenzenesulfonamide?
The CAS number of 4-Ethynylbenzenesulfonamide is 1788-08-5.
What are the molecular formula and molecular weight of 4-Ethynylbenzenesulfonamide?
4-Ethynylbenzenesulfonamide has molecular formula C8H7NO2S and molecular weight 181.212 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Ethynylbenzenesulfonamide (CAS 1788-08-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1393528-1 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.