3,4-dimethylbenzenesulfonyl chloride
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. 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-30471-2
- Molecular Formula
- C8H9ClO2S
- 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 |
| Exact Mass | 204.00100 |
| PSA | 42.52000 |
| LogP | 3.31170 |
| Vapor Pressure | 0.00266mmHg at 25°C |
| Refractive Index | 1.538 |
Customs & Trade Information
| HS Code | 2904909090 |
|---|---|
| Summary | HS:2904909090 sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
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.
What are the upstream and downstream products of 3,4-dimethylbenzenesulfonyl chloride?
For 3,4-dimethylbenzenesulfonyl chloride, Upstream Products: o-xylene, 3,4-Dimethylaniline; Downstream Products: 1,1'-Sulfonylbis(3,4-dimethylbenzene), 3,4-Dimethylbenzenethiol, 3,4-Dimethylbenzenesulfonic acid.
Data compiled from public chemical databases such as PubChem 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-30471-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.