4-(Trifluoromethyl)benzenesulfonyl chloride
对三氟甲基苯磺酰氯
Also known as: 4-(trifluoromethyl)benzene-1-sulfonyl chloride, p-(trifluoromethyl)benzenesulfonyl chloride, p-trifluoromethylphenylsulfonyl chloride, 4-(chlorosulphonyl)benzotrifluoride, α,α,α-trifluorotoluene-4-sulfonyl chloride, 4-trifluoromethylbenzenesulfonyl chloride, 4-(trifluoromethyl)benzenesulphonyl chloride, MFCD00042422
4-(Trifluoromethyl)benzenesulfonyl chloride (CAS 2991-42-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H4ClF3O2S and a molecular weight of 244.619 g/mol. It is also known as 4-(trifluoromethyl)benzene-1-sulfonyl chloride, p-(trifluoromethyl)benzenesulfonyl chloride and p-trifluoromethylphenylsulfonyl chloride. Key properties include a melting point of 30-34 °C(lit.), a boiling point of 252.8±40.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 106.7±27.3 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2991-42-6
- Jingsj CID
- J-29707-5
- Molecular Formula
- C7H4ClF3O2S
- Chinese Name
- 对三氟甲基苯磺酰氯
- Molecular Weight
- 244.619 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 30-34 °C(lit.) |
|---|---|
| Boiling Point | 252.8±40.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 106.7±27.3 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 4-(Trifluoromethyl)benzenesulfonyl chloride?
The CAS number of 4-(Trifluoromethyl)benzenesulfonyl chloride is 2991-42-6.
What are the molecular formula and molecular weight of 4-(Trifluoromethyl)benzenesulfonyl chloride?
4-(Trifluoromethyl)benzenesulfonyl chloride has molecular formula C7H4ClF3O2S and molecular weight 244.619 g/mol.
Is 4-(Trifluoromethyl)benzenesulfonyl chloride hazardous?
4-(Trifluoromethyl)benzenesulfonyl chloride has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-(Trifluoromethyl)benzenesulfonyl chloride (CAS 2991-42-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29707-5 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.