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| CAS No.: | 27607-77-8 |
|---|---|
| Name: | Trimethylsilyl trifluoromethanesulfonate |
| Article Data: | 47 |
| Cas Database | |
| Molecular Structure: | |
|
|
|
| Formula: | C4H9F3O3SSi |
| Molecular Weight: | 222.26 |
| Synonyms: | Methanesulfonicacid, trifluoro-, trimethylsilyl ester (8CI,9CI);Silanol, trimethyl-, trifluoromethanesulfonate(8CI);Trifluoromethanesulfonic acid trimethylsilyl ester;Trimethylsilanoltrifluoromethanesulfonate;Trimethylsilyl triflate;Trimethylsilyl trifluoromethylsulfonate;Trimethylsilyl trifluoromethanesulfonate; |
| EINECS: | 248-565-4 |
| Density: | 1.276 g/cm3 |
| Melting Point: | 25°C |
| Boiling Point: | 140 °C at 760 mmHg |
| Flash Point: | 38.5 °C |
| Solubility: | reacts with water |
| Appearance: | clear colourless to light brown fuming liquid |
| Hazard Symbols: |
 C,  F
|
| Risk Codes: | 10-14-34 |
| Safety: | 16-26-36/37/39-45-8 |
| Transport Information: | UN 2920 8/PG 2 |
| PSA: | 51.75000 |
| LogP: | 2.76830 |
- 27607-78-9Methanesulfonic acid,1,1,1-trifluoro-, dimethyl[[(trifluoromethyl)sulfonyl]oxy]silyl ester
- 27608-03-3Heptanal, 3-methyl-
- 2760-98-71,3-Benzenedicarboxylicacid, 1,3-dihydrazide
- 27610-45-3Sodium sulfide (Na2S),hydrate (8CI,9CI)
- 27610-62-49H-Purine, 8-bromo-
- 27610-92-0Octanoic acid, 2-butyl-
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- 27613-78-1Anthracenesulfonicacid, 9,10-dihydro-1,2-dihydroxy-9,10-dioxo- (8CI,9CI)
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- 27620-10-6Butanimidamide,N-hydroxy-
- 75-76-3
tetramethylsilane
- 1493-13-6
trifluorormethanesulfonic acid
- 27607-77-8
trimethylsilyl trifluoromethanesulfonate
| Conditions | Yield |
|---|---|
| for 1h; Ambient temperature; | 99% |
- 43112-38-5
3-(trimethylsilyl)-2-oxazolidinone
- 1493-13-6
trifluorormethanesulfonic acid
- 27607-77-8
trimethylsilyl trifluoromethanesulfonate
| Conditions | Yield |
|---|---|
| at 40℃; for 0.25h; | 98% |
| for 0.0333333h; | 80% |
- 75-77-4
chloro-trimethyl-silane
- 1493-13-6
trifluorormethanesulfonic acid
- 27607-77-8
trimethylsilyl trifluoromethanesulfonate
| Conditions | Yield |
|---|---|
| In n-heptane at 50 - 60℃; for 13h; Large scale; | 96.55% |
| for 7h; Heating; Yield given; | |
| at 20℃; | |
| at 40℃; for 24h; Schlenk technique; Inert atmosphere; |
- 1493-13-6
trifluorormethanesulfonic acid
- 18156-74-6
1-(Trimethylsilyl)imidazole
- 27607-77-8
trimethylsilyl trifluoromethanesulfonate
| Conditions | Yield |
|---|---|
| In diethyl ether at 10℃; for 1h; | 96% |
- 99542-57-1
(dimethylsilyl)methyl trifluoromethanesulfonate
- 27607-77-8
trimethylsilyl trifluoromethanesulfonate
| Conditions | Yield |
|---|---|
| at 80℃; for 9h; | 95% |
| In benzene-d6 at 135℃; Rate constant; Mechanism; τ1/2; | |
| In neat (no solvent) at 134.9℃; Rate constant; Thermodynamic data; lgA, EA, ΔH(excit.), ΔS(excit.), ΔG(excit.), ΔrH; | |
| at 80℃; Kinetics; Rate constant; |
- 18306-29-1
bis(trimethylsilyl)sulphate
- 2794-60-7
barium trifluoromethanesulfonate
- 27607-77-8
trimethylsilyl trifluoromethanesulfonate
| Conditions | Yield |
|---|---|
| at 140 - 150℃; | 95% |
- 2923-28-6
silver trifluoromethanesulfonate
A
- 27607-77-8
trimethylsilyl trifluoromethanesulfonate
| Conditions | Yield |
|---|---|
| In benzene-d6 Inert atmosphere; | A 90% B 92% |
- 1066-40-6
Trimethylsilanol
- 358-23-6
trifluoromethylsulfonic anhydride
- 27607-77-8
trimethylsilyl trifluoromethanesulfonate
| Conditions | Yield |
|---|---|
| Stage #1: Trimethylsilanol; trifluoromethylsulfonic anhydride at 45℃; for 3.5h; Stage #2: With chloro-trimethyl-silane at 15℃; for 2.5h; Temperature; | 89% |
- 107-46-0
Hexamethyldisiloxane
- 358-23-6
trifluoromethylsulfonic anhydride
- 27607-77-8
trimethylsilyl trifluoromethanesulfonate
| Conditions | Yield |
|---|---|
| at 70 - 75℃; for 2h; | 88% |
- 5936-98-1
trichloromethyltrimethylsilane
- 1493-13-6
trifluorormethanesulfonic acid
- 27607-77-8
trimethylsilyl trifluoromethanesulfonate
| Conditions | Yield |
|---|---|
| at 120℃; for 0.833333h; | 88% |
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Specification
The IUPAC name of this chemical is trimethylsilyl trifluoromethanesulfonate. With the CAS registry number 27607-77-8, it is also named as Methanesulfonic acid, 1,1,1-trifluoro-, trimethylsilyl ester. The product's categories are Biochemistry; Nucleosides, Nucleotides & Related Reagents; Protecting Agents for Hydroxyl and Amino Groups; Protecting Agents, Phosphorylating Agents & Condensing Agents; Protection & Derivatization Reagents (for Synthesis); Si (Classes of Silicon Compounds); Silicon Compounds (for Synthesis); Silyl Esters; Si-O Compounds; Synthetic Organic Chemistry. It is clear colourless to light brown fuming liquid which reacts violently with water. Additionally, this chemical should be stored at the temperature of 2-8 °C.
The other characteristics of Trimethylsilyl Trifluoromethanesulfonate can be summarized as:
(1)ACD/LogP: 2.54; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.54; (4)ACD/LogD (pH 7.4): 2.54; (5)#H bond acceptors: 3; (6)#H bond donors: 0; (7)#Freely Rotating Bonds: 2; (8)Index of Refraction: 1.379; (9)Molar Refractivity: 40.23 cm3; (10)Molar Volume: 174 cm3; (11)Polarizability: 15.95×10-24 cm3; (12)Surface Tension: 21.9 dyne/cm; (13)Enthalpy of Vaporization: 36.17 kJ/mol; (14)Vapour Pressure: 7.81 mmHg at 25°C; (15)Rotatable Bond Count: 2; (16)Exact Mass: 221.999376; (17)MonoIsotopic Mass: 221.999376; (18)Topological Polar Surface Area: 51.8; (19)Heavy Atom Count: 12; (20)Complexity: 244.
Preparation of Trimethylsilyl Trifluoromethanesulfonate:
It can be obtained by hexamethyl-disiloxane and trifluoro-methanesulfonic acid anhydride. This reaction must react at temperature of 70-75°C for 2 hours. The yield is 88%.
Uses of Trimethylsilyl Trifluoromethanesulfonate:
It is cationic initiator which is used as catalysts and silicon reagent in organic synthesis. It also can react with 1,2-epoxy-cyclopentane to get (2-cyclopenten-1-yloxy)trimethylsilane. This reaction needs reagent DBU and solvent benzene.
Safety information of Trimethylsilyl Trifluoromethanesulfonate:
When you are using this chemical, please be cautious about it as the following:It is flammable, so people should keep it away from sources of ignition. And it can cause burns. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If you want to contact this product, you must wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
People can use the following data to convert to the molecule structure.
1. SMILES:C[Si](C)(C)OS(=O)(=O)C(F)(F)F
2. InChI:InChI=1/C4H9F3O3SSi/c1-12(2,3)10-11(8,9)4(5,6)7/h1-3H3
3. InChIKey:FTVLMFQEYACZNP-UHFFFAOYAR