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Trifluoromethanesulfonic acid difluoromethyl ester

Also known as: Difluoromethyl trifluoromethanesulfonate, Difluoromethyl triflate, Difluoromethyl triflate 95%, Difluoromethyl trifluoromethanesulfonate 95%, Methanesulfonic acid, 1,1,1-trifluoro-, difluoromethyl ester, Methanesulfonic acid, trifluoro-, difluoromethyl ester

Trifluoromethanesulfonic acid difluoromethyl ester (CAS 1885-46-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2HF5O3S and a molecular weight of 200.08500 g/mol. Key properties include a density of 1.584 g/mL at 25 °C and a flash point of 57 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H302 — Harmful if swallowed 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.
1885-46-7
Jingsj CID
J-1335179-6
Molecular Formula
C2HF5O3S
Molecular Weight
200.08500 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Density1.584 g/mL at 25 °C
Flash Point57 °C
Exact Mass199.95700
PSA51.75000
LogP2.15600
Storage Conditions2-8°C

GHS Safety & Compliance

Flammable / Corrosion / IrritantSignal word: Danger
  • H226 — Flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H314 — Causes severe skin burns and eye damage

Frequently Asked Questions

What is the CAS number of Trifluoromethanesulfonic acid difluoromethyl ester?

The CAS number of Trifluoromethanesulfonic acid difluoromethyl ester is 1885-46-7.

What are the molecular formula and molecular weight of Trifluoromethanesulfonic acid difluoromethyl ester?

Trifluoromethanesulfonic acid difluoromethyl ester has molecular formula C2HF5O3S and molecular weight 200.08500 g/mol.

Is Trifluoromethanesulfonic acid difluoromethyl ester hazardous?

Trifluoromethanesulfonic acid difluoromethyl ester has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H314 — Causes severe skin burns and eye damage.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Trifluoromethanesulfonic acid difluoromethyl ester (CAS 1885-46-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1335179-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.