1,4-dichloro-2-(methylsulfonyl)benzene
Also known as: 2,5-dichlorophenyl methyl sulfone, 2,5-dichlorophenylmethylsulfone, Benzene, 1,4-dichloro-2-(methylsulfonyl)-, 1,4-dichloro-2-methylsulfonylbenzene
1,4-dichloro-2-(methylsulfonyl)benzene (CAS 66640-63-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H6Cl2O2S and a molecular weight of 225.09200 g/mol. Key properties include a boiling point of 375.4ºC at 760 mmHg and a density of 1.451g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 66640-63-9
- Jingsj CID
- J-1165330-8
- Molecular Formula
- C7H6Cl2O2S
- Molecular Weight
- 225.09200 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 375.4ºC at 760 mmHg |
|---|---|
| Density | 1.451g/cm3 |
| Exact Mass | 223.94700 |
| PSA | 42.52000 |
| LogP | 3.47770 |
| Refractive Index | 1.555 |
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 1,4-dichloro-2-(methylsulfonyl)benzene?
The CAS number of 1,4-dichloro-2-(methylsulfonyl)benzene is 66640-63-9.
What are the molecular formula and molecular weight of 1,4-dichloro-2-(methylsulfonyl)benzene?
1,4-dichloro-2-(methylsulfonyl)benzene has molecular formula C7H6Cl2O2S and molecular weight 225.09200 g/mol.
What are the upstream and downstream products of 1,4-dichloro-2-(methylsulfonyl)benzene?
For 1,4-dichloro-2-(methylsulfonyl)benzene, Upstream Products: 2,5-Dichlorobenzenethiol, iodomethane, 1,4-Dichlorobenzene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,4-dichloro-2-(methylsulfonyl)benzene (CAS 66640-63-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1165330-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.