91741
Trimethylsilyl trifluoromethanesulfonate
purum, ≥98.0% (T)
Synonym(s):
TMS triflate, TMSOTf, Trifluoromethanesulfonic acid trimethylsilylester
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About This Item
Linear Formula:
CF3SO3Si(CH3)3
CAS Number:
Molecular Weight:
222.26
UNSPSC Code:
12352101
NACRES:
NA.22
PubChem Substance ID:
EC Number:
248-565-4
Beilstein/REAXYS Number:
1868911
MDL number:
Assay:
≥98.0% (T)
Form:
liquid
grade
purum
Quality Segment
assay
≥98.0% (T)
form
liquid
refractive index
n20/D 1.36 (lit.)
bp
77 °C/80 mmHg (lit.)
density
1.228 g/mL at 25 °C (lit.)
functional group
fluoro, triflate
SMILES string
C[Si](C)(C)OS(=O)(=O)C(F)(F)F
InChI
1S/C4H9F3O3SSi/c1-12(2,3)10-11(8,9)4(5,6)7/h1-3H3
InChI key
FTVLMFQEYACZNP-UHFFFAOYSA-N
Application
Trimethylsilyl trifluoromethanesulfonate may be used to catalyze:
- Allylation of acetals to form homoallyl ethers.
- Synthesis of 1,2-trans-glycosides.
- Conversion of alcohols to esters.
- Aminomethylation of silyl enol ethers with aminomethyl alkyl ethers.
- Glycosidation of (+)-4-demethoxyanthracyclinones.
Other Notes
Efficient silylating agent and strong Lewis acid catalyst ; Review
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Danger
hcodes
Hazard Classifications
Flam. Liq. 3 - Skin Corr. 1B
supp_hazards
Storage Class
3 - Flammable liquids
wgk
WGK 3
flash_point_f
77.0 °F - closed cup
flash_point_c
25 °C - closed cup
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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