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Key Documents

8.18313

Sigma-Aldrich

tert-Butyldimethylsilyl trifluoromethanesulfonate

for synthesis

Synonym(s):

tert-Butyldimethylsilyl trifluoromethanesulfonate, Trifluoromethanesulfonic acid tert-butyldimethylsilyl ester, tert-Butyldimethylsilyl triflate

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About This Item

Linear Formula:
CF3SO3Si(CH3)2C(CH3)3
CAS Number:
69739-34-0
Molecular Weight:
264.34
MDL number:
MFCD00000405
UNSPSC Code:
12352103
EC Index Number:
274-102-0
NACRES:
NA.22

Quality Level

200

Assay

≥98.0% (acidimetric)

form

liquid

bp

65-67 °C/13 hPa

transition temp

flash point 36 °C

density

1.151 g/cm3 at 20 °C

storage temp.

2-8°C

InChI

1S/C7H15F3O3SSi/c1-6(2,3)15(4,5)13-14(11,12)7(8,9)10/h1-5H3

InChI key

WLLIXJBWWFGEHT-UHFFFAOYSA-N

Analysis Note

Assay (acidimetric): ≥ 98.0 %
Density (d 20 °C/ 4 °C): 1.145 - 1.152
Identity (IR): passes test

Signal Word

Danger

Hazard Statements

H226 - H314 - H335

Hazard Classifications

Flam. Liq. 3 - Skin Corr. 1B - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

98.6 °F - closed cup

Flash Point(C)

37 °C - closed cup

Certificates of Analysis (COA)

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