1H-Imidazole-2-sulfonyl chloride
1H-咪唑-2-磺酰氯
Also known as: 2-Imidazolesulfonyl chloride, H-IMIDAZOLE-2-SULFONYL CHLORIDE, 1H-Imidazole-2-sulfonylchloride, imidazolesulfonyl chloride, 1H-Imidazol-2-sulfonylchlorid
1H-Imidazole-2-sulfonyl chloride (CAS 281221-70-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C3H3ClN2O2S and a molecular weight of 166.586 g/mol. It is also known as 2-Imidazolesulfonyl chloride, H-IMIDAZOLE-2-SULFONYL CHLORIDE and 1H-Imidazole-2-sulfonylchloride. Key properties include a boiling point of 401.7±28.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 196.8±24.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 281221-70-3
- Jingsj CID
- J-1159075-8
- Molecular Formula
- C3H3ClN2O2S
- Chinese Name
- 1H-咪唑-2-磺酰氯
- Molecular Weight
- 166.586 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 401.7±28.0 °C at 760 mmHg |
|---|---|
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 196.8±24.0 °C |
Frequently Asked Questions
What is the CAS number of 1H-Imidazole-2-sulfonyl chloride?
The CAS number of 1H-Imidazole-2-sulfonyl chloride is 281221-70-3.
What are the molecular formula and molecular weight of 1H-Imidazole-2-sulfonyl chloride?
1H-Imidazole-2-sulfonyl chloride has molecular formula C3H3ClN2O2S and molecular weight 166.586 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1H-Imidazole-2-sulfonyl chloride (CAS 281221-70-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1159075-8 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.