Trifluoromethanesulfonic acid tert-butyldimethylsilyl ester
![Trifluoromethanesulfonic acid tert-butyldimethylsilyl ester Structure](CAS/GIF/69739-34-0.gif)
- CAS No.
- 69739-34-0
- Chemical Name:
- Trifluoromethanesulfonic acid tert-butyldimethylsilyl ester
- Synonyms
- TBS-OTF;tbdms-otf;TERT-BUTYLDIMETHYLSILYL TRIFLUOROMETHANESULFONATE;TERT-BUTYLDIMETHYLSILYL TRIFLATE;TBDMS TRIFLATE;TBS Triflate;tert-butyldimethylsilyl ester;TBMDS-OTF;t-Butyldimethylsilyl triflate;T-BUTYLDIMETHYLSILYL TRIFLUOROMETHANESULFONATE
- CBNumber:
- CB5192348
- Molecular Formula:
- C7H15F3O3SSi
- Molecular Weight:
- 264.34
- MOL File:
- 69739-34-0.mol
- MSDS File:
- SDS
- Modify Date:
- 2024/4/10 13:06:19
Melting point | <0°C |
---|---|
Boiling point | 65-67 °C12 mm Hg(lit.) |
Density | 1.151 g/mL at 25 °C(lit.) |
refractive index |
n |
Flash point | 98 °F |
storage temp. | 2-8°C |
solubility | Slightly miscible with chloroform. |
form | Fuming Liquid |
Specific Gravity | 1.151 |
color | Clear colorless to yellow |
Water Solubility | DECOMPOSES |
Sensitive | Moisture Sensitive |
Hydrolytic Sensitivity | 8: reacts rapidly with moisture, water, protic solvents |
BRN | 2370068 |
Stability | Moisture Sensitive |
InChIKey | WLLIXJBWWFGEHT-UHFFFAOYSA-N |
CAS DataBase Reference | 69739-34-0(CAS DataBase Reference) |
NIST Chemistry Reference | Tert-butyldimethylsilyl trifluoromethanesulfonate(69739-34-0) |
SAFETY
Risk and Safety Statements
Symbol(GHS) | ![]() ![]() ![]() GHS02,GHS05,GHS07 |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|
Signal word | Danger | |||||||||
Hazard statements | H226-H314-H335 | |||||||||
Precautionary statements | P210-P233-P240-P280-P303+P361+P353-P305+P351+P338 | |||||||||
Hazard Codes | C,F | |||||||||
Risk Statements | 10-34-37 | |||||||||
Safety Statements | 26-36/37/39-45-25-16 | |||||||||
RIDADR | UN 2920 8/PG 2 | |||||||||
WGK Germany | 3 | |||||||||
F | 10-21 | |||||||||
Hazard Note | Flammable/Corrosive | |||||||||
TSCA | No | |||||||||
HazardClass | 3 | |||||||||
PackingGroup | III | |||||||||
HS Code | 29310095 | |||||||||
NFPA 704 |
|
Trifluoromethanesulfonic acid tert-butyldimethylsilyl ester price More Price(13)
Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
---|---|---|---|---|---|---|---|
Sigma-Aldrich(India) | 226149 | tert-Butyldimethylsilyl trifluoromethanesulfonate reagent grade, 98% | 69739-34-0 | 1G | ₹1634.58 | 2022-06-14 | Buy |
Sigma-Aldrich(India) | 8.18313 | tert-Butyldimethylsilyl trifluoromethanesulfonate for synthesis | 69739-34-0 | 25ML | ₹19930 | 2022-06-14 | Buy |
Sigma-Aldrich(India) | 56563 | tert-Butyldimethylsilyl trifluoromethanesulfonate for GC derivatization, LiChropur?, ≥98.0% (T) | 69739-34-0 | 10ML | ₹24616.05 | 2022-06-14 | Buy |
Sigma-Aldrich | 226149 | tert-Butyldimethylsilyl trifluoromethanesulfonate reagent grade, 98% | 69739-34-0 | 5G | ₹4546.5 | 2022-06-14 | Buy |
Sigma-Aldrich(India) | 226149 | tert-Butyldimethylsilyl trifluoromethanesulfonate reagent grade, 98% | 69739-34-0 | 5G | ₹4546.5 | 2022-06-14 | Buy |
Trifluoromethanesulfonic acid tert-butyldimethylsilyl ester Chemical Properties,Uses,Production
Chemical Properties
clear colorless to yellow fuming liquid
Physical properties
bp 60°C/7 mmHg; colorless oil, d 1.151 g cm?3. Solubility: sol most organic solvents such as pentane, CH2Cl2, etc.
Uses
TrifluoroMethanesulfonic acid tert-butyldiMethylsilyl ester is a highly reactive silylating agent and lewis acid capable of converting primary, secondary and tertiary alcohols to their respectctive TBDMS. TrifluoroMethanesulfonic acid tert-butyldiMethylsilyl ester is also used to covert ketones and lactones into their enol silyl ethers.
Preparation
to 24 g (0.16 mol) of t-butyldimethylchlorosilane at 23°C under argon is added 14 mL (0.16 mol) of trifluoromethanesulfonic acid dropwise. The solution is heated at 60°C for 10 h, at which time no further hydrogen chloride evolves (removed through a bubbler). The resulting product is distilled under reduced pressure: 34 g (80% yield) of TBDMS triflate; bp 60°C/7 mmHg.
Trifluoromethanesulfonic acid tert-butyldimethylsilyl ester Preparation Products And Raw materials
Raw materials
Preparation Products
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