3,4-dimethylbenzenesulfonyl chloride
3,4-二甲基苯磺酰氯
Also known as: 3,4-dimethylbenzenesulfonyl chloride, 3,4-xylenesulfonyl chloride, 4-(chlorosulfonyl)-1,2-dimethylbenzene, benzenesulfonyl chloride, 3,4-dimethyl-
3,4-dimethylbenzenesulfonyl chloride (CAS 2905-30-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H9ClO2S and a molecular weight of 204.67400 g/mol. It is also known as 3,4-xylenesulfonyl chloride, 4-(chlorosulfonyl)-1,2-dimethylbenzene and benzenesulfonyl chloride, 3,4-dimethyl-. Key properties include a melting point of 118-120 °C(lit.), a boiling point of 295 °C(lit.), a density of 1.29 g/cm3 and a flash point of 132.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2905-30-8
- Jingsj CID
- J-30471-5
- Molecular Formula
- C8H9ClO2S
- Chinese Name
- 3,4-二甲基苯磺酰氯
- Molecular Weight
- 204.67400 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 118-120 °C(lit.) |
|---|---|
| Boiling Point | 295 °C(lit.) |
| Density | 1.29 g/cm3 |
| Flash Point | 132.6ºC |
Frequently Asked Questions
What is the CAS number of 3,4-dimethylbenzenesulfonyl chloride?
The CAS number of 3,4-dimethylbenzenesulfonyl chloride is 2905-30-8.
What are the molecular formula and molecular weight of 3,4-dimethylbenzenesulfonyl chloride?
3,4-dimethylbenzenesulfonyl chloride has molecular formula C8H9ClO2S and molecular weight 204.67400 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,4-dimethylbenzenesulfonyl chloride (CAS 2905-30-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30471-5 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.