Trimethylsilyl 2,2-difluoro-2-(fluorosulfonyl)acetate
Also known as: Trimethylsilyl 2-(fluorosulfonyl)difluoroacetate, Trimethylsilyl 2,2-difluoro-2-(fluorosulfonyl)acetate, Trimethylsilyl (fluorosulfonyl)difluoroacetate, Trimethylsilyl fluoro sulfonyldifluoroacetate, Trimethylsilyl 2-(fluorosulphonyl)difluoroacetate, Difluoro(fluorosulfonyl)acetic Acid Trimethylsilyl Ester, Trimethylsilyl difluoro(fluorosulfonyl)acetate, Acetic acid, 2,2-difluoro-2-(fluorosulfonyl)-, trimethylsilyl ester, MFCD02093343
Trimethylsilyl 2,2-difluoro-2-(fluorosulfonyl)acetate (CAS 120801-75-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H9F3O4SSi and a molecular weight of 250.268 g/mol. Key properties include a boiling point of 160.4±40.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 50.8±27.3 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 120801-75-4
- Jingsj CID
- J-7227-5
- Molecular Formula
- C5H9F3O4SSi
- Molecular Weight
- 250.268 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 160.4±40.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 50.8±27.3 °C |
| Exact Mass | 249.994293 |
| PSA | 68.82000 |
| LogP | 3.70 |
| Vapor Pressure | 2.4±0.3 mmHg at 25°C |
| Refractive Index | 1.395 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Trimethylsilyl 2,2-difluoro-2-(fluorosulfonyl)acetate?
The CAS number of Trimethylsilyl 2,2-difluoro-2-(fluorosulfonyl)acetate is 120801-75-4.
What are the molecular formula and molecular weight of Trimethylsilyl 2,2-difluoro-2-(fluorosulfonyl)acetate?
Trimethylsilyl 2,2-difluoro-2-(fluorosulfonyl)acetate has molecular formula C5H9F3O4SSi and molecular weight 250.268 g/mol.
Is Trimethylsilyl 2,2-difluoro-2-(fluorosulfonyl)acetate hazardous?
Trimethylsilyl 2,2-difluoro-2-(fluorosulfonyl)acetate has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of Trimethylsilyl 2,2-difluoro-2-(fluorosulfonyl)acetate?
For Trimethylsilyl 2,2-difluoro-2-(fluorosulfonyl)acetate, Upstream Products: Hexamethyldisiloxane, 2-(Fluorosulfonyl)difluoroacetyl fluoride, Chlorotrimethylsilane; Downstream Products: Trimethylsilanol, Methyl 2,2-difluoro-2-(fluorosulfonyl)acetate, (3,3-Difluoro-1-cyclopropen-1-yl)benzene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Trimethylsilyl 2,2-difluoro-2-(fluorosulfonyl)acetate (CAS 120801-75-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7227-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.