1-(1,2,3-thiadiazol-5-yl)ethanone
1-[1,2,3]噻二唑-5-基-乙酮
Also known as: 1-(1,2,3-thiadiazol-5-yl)ethan-1-one, 1-(5-thiadiazolyl)ethanone, 5-acetyl-1,2,3-thiadiazole, 1-(thiadiazol-5-yl)ethanone, Ethanone, 1-(1,2,3-thiadiazol-5-yl)-, Ethanone, 1-(1,2,3-thiadiazol-5-yl)- (9CI)
1-(1,2,3-thiadiazol-5-yl)ethanone (CAS 136918-88-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C4H4N2OS and a molecular weight of 128.15200 g/mol. It is also known as 1-(1,2,3-thiadiazol-5-yl)ethan-1-one, 1-(5-thiadiazolyl)ethanone and 5-acetyl-1,2,3-thiadiazole. Key properties include a boiling point of 216.596ºC at 760 mmHg, a density of 1.323g/cm3 and a flash point of 84.795ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 136918-88-2
- Jingsj CID
- J-1084861-8
- Molecular Formula
- C4H4N2OS
- Chinese Name
- 1-[1,2,3]噻二唑-5-基-乙酮
- Molecular Weight
- 128.15200 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 216.596ºC at 760 mmHg |
|---|---|
| Density | 1.323g/cm3 |
| Flash Point | 84.795ºC |
Frequently Asked Questions
What is the CAS number of 1-(1,2,3-thiadiazol-5-yl)ethanone?
The CAS number of 1-(1,2,3-thiadiazol-5-yl)ethanone is 136918-88-2.
What are the molecular formula and molecular weight of 1-(1,2,3-thiadiazol-5-yl)ethanone?
1-(1,2,3-thiadiazol-5-yl)ethanone has molecular formula C4H4N2OS and molecular weight 128.15200 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-(1,2,3-thiadiazol-5-yl)ethanone (CAS 136918-88-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1084861-8 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.