364533
Fluorotrimethylsilane
96%
Synonym(s):
Trimethylfluorosilane, Trimethylsilyl fluoride
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About This Item
Linear Formula:
(CH3)3SiF
CAS Number:
Molecular Weight:
92.19
EC Number:
206-997-0
UNSPSC Code:
12142100
PubChem Substance ID:
Beilstein/REAXYS Number:
1731132
MDL number:
Assay:
96%
assay
96%
bp
16 °C (lit.)
mp
−74 °C (lit.)
density
0.793 g/mL at 25 °C (lit.)
SMILES string
C[Si](C)(C)F
InChI
1S/C3H9FSi/c1-5(2,3)4/h1-3H3
InChI key
CTIKAHQFRQTTAY-UHFFFAOYSA-N
Packaging
Supplied in a Sure/Pac™ cylinder and has a brass needle valve with a male 1/4" NPTF outlet thread installed. Before using the cylinder, ensure that the valve is closed, then remove the galvanized steel hex cap that seals the outlet valve.
Compatible with the following:
Compatible with the following:
Legal Information
Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
Sure/Pac is a trademark of Sigma-Aldrich Co. LLC
signalword
Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 1 - Press. Gas Compr. Gas - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
2A - Gases
wgk
WGK 3
flash_point_f
-22.0 °F - closed cup
flash_point_c
-30 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves
Regulatory Information
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M S Rosenthal et al.
The International journal of applied radiation and isotopes, 36(4), 318-319 (1985-04-01)
[18F]Fluorotrimethylsilane was prepared in 80% decay corrected yield by reaction of no-carrier added tetramethyl-ammonium fluoride (hydroxide as bulk anion) with chlorotrimethylsilane in 65% aqueous acetonitrile. The 18F gas was collected in a cold-trap at -130 degrees C and found to
L G Hutchins et al.
The International journal of applied radiation and isotopes, 36(5), 375-378 (1985-05-01)
18F-Labeled fluorotrimethylsilane was prepared by nucleophilic substitution of chlorotrimethylsilane with reactor produced [18F]fluoride. Hydrolysis of fluorotrimethylsilane by aqueous tetraethylammonium hydroxide followed by removal of water with a mechanical pump gave a powerful source of no carrier added nucleophilic 18F. Reaction
S J Gatley
International journal of radiation applications and instrumentation. Part A, Applied radiation and isotopes, 40(6), 541-544 (1989-01-01)
A flow-through system is described for rapid purification of [18F]fluoride for nucleophilic substitution reactions. It depends on generation of [18F]fluorotrimethylsilane from aqueous 18F solutions and subsequent collection of the gas and its hydrolysis by base in near anhydrous acetonitrile. Potassium