TMSI
Chemical Name:
Trimethylsilylimidazole
CAS #:
18156-74-6
Description:
TMSI is a potent, selective TMS donor that reacts with alcohols and phenols but not amines or amides. TMSI derivatizes wet sugar sampled, hindered hydroxyl groups in steroids, and amino acids in fluorinated acylation reagents. TMSI is used in the preparation of dual perfluoroacyl and TMS derivatives.
Click here to view the Safety Data Sheet.
Physical and Chemical Properties:
Use:
Silylation Reagent for GC
Appearance:
Clear, colorless to slightly yellow liquid 99%
Purity:
99%
Boiling Point:
93-94°C (199-201°F)
Molecular Formula:
C₆H₁₂N₂Si
Molecular Weight:
140.26 g/mol
Specific Gravity (H2O = 1.0):
0.956
Suggested Storage Conditions:
Moisture sensitive-packed under nitrogen. Store under refrigerated conditions (2 to 8°C)
| Weight | N/A |
|---|---|
| Dimensions | N/A |
| Package Size: | TMSI – 10 x 1 g, TMSI – 5 g, TMSI – 25 g |
Categories: Derivatizing Reagents, Silylation Reagents
Regis Part #:
N/A

