1,2,3-Benzothiadiazole-5-carbonyl chloride
1,2,3-苯并噻二唑-5-碳酰氯
Also known as: Benzo-1,2,3-thiadiazole-5-carbonyl chloride, 5-(Chlorocarbonyl)-1,2,3-benzothiadiazole, 5-(Chloroformyl)-1,2,3-benzothiadiazole, Benzo[d][1,2,3]thiadiazole-5-carbonyl chloride, Norflurazon Impurity 1-d4, 1,2,3-Benzothiadiazole-5-carbonyl chloride (9CI)
1,2,3-Benzothiadiazole-5-carbonyl chloride (CAS 321309-32-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H3ClN2OS and a molecular weight of 198.63000 g/mol. It is also known as Benzo-1,2,3-thiadiazole-5-carbonyl chloride, 5-(Chlorocarbonyl)-1,2,3-benzothiadiazole and 5-(Chloroformyl)-1,2,3-benzothiadiazole. Key properties include a melting point of 94-98ºC, a boiling point of 311ºC at 760 mmHg, a density of 1.577g/cm3 and a flash point of 141.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 321309-32-4
- Jingsj CID
- J-1462327-5
- Molecular Formula
- C7H3ClN2OS
- Chinese Name
- 1,2,3-苯并噻二唑-5-碳酰氯
- Molecular Weight
- 198.63000 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 94-98ºC |
|---|---|
| Boiling Point | 311ºC at 760 mmHg |
| Density | 1.577g/cm3 |
| Flash Point | 141.9ºC |
Frequently Asked Questions
What is the CAS number of 1,2,3-Benzothiadiazole-5-carbonyl chloride?
The CAS number of 1,2,3-Benzothiadiazole-5-carbonyl chloride is 321309-32-4.
What are the molecular formula and molecular weight of 1,2,3-Benzothiadiazole-5-carbonyl chloride?
1,2,3-Benzothiadiazole-5-carbonyl chloride has molecular formula C7H3ClN2OS and molecular weight 198.63000 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2,3-Benzothiadiazole-5-carbonyl chloride (CAS 321309-32-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1462327-5 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.