1-Bromo-2-(methylsulfonyl)benzene
Also known as: 2-Bromophenyl methyl sulfone, 1-bromo-2-methanesulfonylbenzene, 2-Bromophenyl methyl sulphone, 1-bromo-2-methylsulfonylbenzene, o-Bromophenyl methyl sulfone, o-Bromo(methylsulfonyl)benzene, 2-BrPhSO2Me, Benzene, 1-bromo-2-(methylsulfonyl)-
1-Bromo-2-(methylsulfonyl)benzene (CAS 33951-33-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H7BrO2S and a molecular weight of 235.098 g/mol. Key properties include a melting point of 106-110ºC, a boiling point of 361.6±34.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 172.5±25.7 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 33951-33-6
- Jingsj CID
- J-1374842-0
- Molecular Formula
- C7H7BrO2S
- Molecular Weight
- 235.098 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 106-110ºC |
|---|---|
| Boiling Point | 361.6±34.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 172.5±25.7 °C |
| Exact Mass | 233.934998 |
| PSA | 42.52000 |
| LogP | 1.03 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.564 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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-Bromo-2-(methylsulfonyl)benzene?
The CAS number of 1-Bromo-2-(methylsulfonyl)benzene is 33951-33-6.
What are the molecular formula and molecular weight of 1-Bromo-2-(methylsulfonyl)benzene?
1-Bromo-2-(methylsulfonyl)benzene has molecular formula C7H7BrO2S and molecular weight 235.098 g/mol.
Is 1-Bromo-2-(methylsulfonyl)benzene hazardous?
1-Bromo-2-(methylsulfonyl)benzene has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 1-Bromo-2-(methylsulfonyl)benzene?
For 1-Bromo-2-(methylsulfonyl)benzene, Upstream Products: 3-Bromothioanisole, 2-Bromothioanisole, Bromobenzene; Downstream Products: 3-(Methylsulfonyl)aniline.
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-Bromo-2-(methylsulfonyl)benzene (CAS 33951-33-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1374842-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.