Basic information
- CAS
1885-46-7- Standard SMILES
O=S(=O)(OC(F)F)C(F)(F)F- InChIKey
DAANAKGWBDWGBQ-UHFFFAOYSA-N- Molecular formula
- C2HF5O3S
- Average molar mass
- 200.09 g/mol
- Monoisotopic mass
- 199.95665599
Names & identifiers
- Preferred name
- Difluoromethyl trifluoromethanesulfonate
- IUPAC
- difluoromethyl trifluoromethanesulfonate
- English name
- Trifluoromethanesulfonic acid difluoromethyl ester
- Molecular formula
- C2HF5O3S
- Molecular weight
- 200.08
Names & synonyms
Show more names
Database identifiers
- CAS
1885-46-7- PubChem CID
- 542802
- DTXSID
DTXSID501015841- EC Number
- 808-845-4
- Nikkaji
- J597.144F
Properties
Computed structural properties
- XLogP
- 1.8
- Topological polar surface area
- 51.8 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 8
- Rotatable bonds
- 2
- Heavy atoms
- 11
- Formal charge
- 0
- Complexity
- 209
Physicochemical properties
- Boiling point
- 48.5 · 48.5-49 °C
- Density
- 1.584 g/mL · 1.584 g/mL at 25 °C
- Flash point
- 57 ℃ · 57℃
- storage temp.
- 2 · 2-8°C
- form
- liquid
- color
- Clear, colourless
- InChI
- InChI=1S/C2HF5O3S/c3-1(4)10-11(8,9)2(5,6)7/h1H
- InChIKey
- DAANAKGWBDWGBQ-UHFFFAOYSA-N
- SMILES
- C(F)(F)(F)S(OC(F)F)(=O)=O
- UNSPSC Code
- 12352108 · 12352108
- NACRES
- 22 · NA.22
- Symbol(GHS)
- 2 · GHS02,GHS05,GHS07
- Signal word
- Danger
- Hazard statements
- 226 · H226-H302-H314
- Precautionary statements
- 210 · P210-P233-P280-P301+P312-P303+P361+P353-P305+P351+P338
- Hazard Codes
- C,Xn
- Risk Statements
- 22 · 22-34
- Safety Statements
- 26 · 26-36/37/39-45
- RIDADR
- 2920 · UN 2920 3(8) / PGII
- WGK Germany
- 3 · 3
- HS Code
- 2905190098 · 2905190098
- Storage Class
- 3 · 3 - Flammable liquids
- Hazard Classifications
- 4 OralEye · Acute Tox. 4 OralEye Dam. 1Flam. Liq. 3Skin Corr. 1B
Safety & regulation
GHS classification
GHS Classification
Danger
H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]
P210, P233, P240, P241, P242, P243, P260, P264, P270, P280, P301+P317, P301+P330+P331, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P321, P330, P363, P370+P378, P403+P235, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 41 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Safety data
- wgk
- 3
- ridadr
- UN 2920 3(8) / PGII
- hs_code
- 2905190098
- risk_code
- 22-34
- Signal word
- Danger
- Symbol(GHS)
- GHS02,GHS05,GHS07
- hazard_code
- C,Xn
- safety_code
- 26-36/37/39-45
- Storage Class
- 3 - Flammable liquids
- Hazard statements
- H226-H302-H314
- Hazard Classifications
- Acute Tox. 4 OralEye Dam. 1Flam. Liq. 3Skin Corr. 1B
- Precautionary statements
- P210-P233-P280-P301+P312-P303+P361+P353-P305+P351+P338
Chemistry & industry
Applications
UsesDifluoromethyl triflate (TfO-CHF2) can be used as a reagent: In difluoromethylation reaction. To prepare difluoromethoxylated heterocycles by reacting with hydroxylated N-based heterocycles. To synthesize trifluoromethylated arenes by treating with diaryliodonium salts in the presence of copper and tetrabutylammonium difluorotriphenylsilicate (TBAT).It allows for a simple method toward the preparation of difluoromethyl ethers and thioethers under basic conditions from alcohols and thiols. Difluoromethyl phenols can also be obtained in a single pot from boronic acids and C-H activation of arenes.
General DescriptionDifluoromethyl triflate (HCF2OTf) is an easy to handle, air-stable and non-ozone-depleting liquid reagent for difluoromethylation. It can be prepared by reacting trifluoromethyltrimethylsilane (TMSCF3) and triflic acid in the presence of titanium tetrachloride (TiCl4).
Upstream & downstream products
Upstream raw materials
Downstream products
Suppliers50 total
Related reactions
Compound notes
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