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Alfa Aesar™ Triethylsilyl trifluoromethanesulfonate, 98%

$57.41 - $167.26

Chemical Identifiers

Chemical Name or Material Triethylsilyl trifluoromethanesulfonate
CAS 79271-56-0
Molecular Formula C7F3H15O3SSi
Linear Formula CF3SO3Si(CH2CH3)3
Formula Weight 264.33
MDL Number MFCD00000407
UN Number UN3265
Beilstein 3590541
Synonym TES-OTf; Triethylsilyl triflate
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Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAL1447706

  SDS
alfa aesar™
L1447706
5g Each for $57.41

AAL1447714

  SDS
alfa aesar™
L1447714
25g Each for $167.26
Description & Specifications

Specifications

Formula Weight 264.33
Quantity 5g
Health Hazard 3 GHS P Statement
P280-P303+P361+P353-P305+P351+P338-P310-P402
Wear protective gloves/protective clothing/eye protection/face protection.
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician.
Store in a dry place.
Flash Point 72°C (161°F)
UN Number UN3265
Chemical Name or Material Triethylsilyl trifluoromethanesulfonate
Linear Formula CF3SO3Si(CH2CH3)3
Molecular Formula C7F3H15O3SSi
Health Hazard 1 Danger
CAS 79271-56-0
Assay 98%
Boiling Point 207°C
Health Hazard 2 GHS H Statement
H314-H318-H227
Causes severe skin burns and eye damage.
Causes serious eye damage.
Combustible liquid.
MDL Number MFCD00000407
DOT Information Transport Hazard Class: 8; Packing Group: II; Proper Shipping Name: CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S.
Synonym TES-OTf; Triethylsilyl triflate
Beilstein 3590541
Recommended Storage 2° to 8°C

Applications
Triethylsilyl trifluoromethanesulfonate acts as a silylating agent. It is also useful as a Lewis acid catalyst. Further, it reacts with 1-diazo-3,3-dimethyl-butan-2-one to prepare 1-diazo-3,3-dimethyl-1-(triethylsilyl)-2-butanone.

Solubility
Miscible with dichloromethane, hydrocarbons, dialkyl ethers and halogenated solvents. Immiscible with water.

Notes
Moisture sensitive. Incompatible with strong oxidizing agents and strong acids.

Safety and Handling

Danger

GHS P Statement
P280-P303+P361+P353-P305+P351+P338-P310-P402
Wear protective gloves/protective clothing/eye protection/face protection.
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician.
Store in a dry place.

GHS H Statement
H314-H318-H227
Causes severe skin burns and eye damage.
Causes serious eye damage.
Combustible liquid.

2° to 8°C