(TRIMETHYLSILYL)ACETONITRILE
(TRIMETHYLSILYL)ACETONITRILE
  • CAS No.:18293-53-3
Other grades of this product :
(TRIMETHYLSILYL)ACETONITRILE Basic information
Product Name:(TRIMETHYLSILYL)ACETONITRILE
Synonyms:TMSAN;(TRIMETHYLSILYL)ACETONITRILE;trimethylsilanyl-acetonitrile;(Trimethylsilyl)acetonitrile,(Cyanomethyl)trimethylsilane, TMSAN;2-(Trimethylsilyl)acetonitrile;2-Trimethylsilylacetonitrile;Einecs 242-169-5;Acetonitrile, 2-(triMethylsilyl)-
CAS:18293-53-3
MF:C5H11NSi
MW:113.23
EINECS:242-169-5
Product Categories:
Mol File:18293-53-3.mol
(TRIMETHYLSILYL)ACETONITRILE Chemical Properties
Boiling point 65-70 °C20 mm Hg(lit.)
density 0.827 g/mL at 25 °C(lit.)
refractive index n20/D 1.420(lit.)
Fp 122 °F
storage temp. Sealed in dry,Room Temperature
solubility Sol most common organic solvents.
form Liquid
color Clear colorless to straw
Specific Gravity0.829
Hydrolytic Sensitivity4: no reaction with water under neutral conditions
BRN 1738845
InChIKeyWJKMUGYQMMXILX-UHFFFAOYSA-N
Safety Information
Hazard Codes T
Risk Statements 10-23/24/25-36/37/38
Safety Statements 26-36/37/39-45
RIDADR UN 1993 3/PG 3
WGK Germany 3
21
TSCA No
HazardClass 3.2
PackingGroup III
HS Code 29310099
MSDS Information
ProviderLanguage
SigmaAldrich English
(TRIMETHYLSILYL)ACETONITRILE Usage And Synthesis
Physical propertiesbp 84–85 °C/54 mmHg, 66 °C/35 mmHg, 65–70 °C/20 mmHg;3 d 0.827 g cm?3.
Usesα-carbanion is a useful alternative to LiCH2CN for nucleophilic cyanomethylation; (Z)-selective Peterson alkenation). Trimethylsilylacetonitrile participates in the following synthesis reactions: Metalation, Peterson Alkenation (Cyanomethylenation), Michael Addition, Reactions with Other Electrophiles, Cyanomethylation, Metal-Catalyzed Reactions etc.
Uses(Trimethylsilyl)acetonitrile has been used in catalytic cyanomethylation of various carbonyl compounds in the presence of Lewis bases.
PreparationFrom chlorotrimethylsilane, zinc, and XCH2CN, (X = Cl, 61% yield; X = Br, 81% yield).
Purification MethodsCheck if NMR and IR spectra show impurities; if present dissolve it in *C6H6 (10volumes), wash it with buffer (AcOH/AcONa pH ca 7) several times, dry (CaCl2) it, evaporate and distil it. IR: (CCl4) 2215 (CN) cm-1, NMR (CCl4): 0.23 (s, 9H, SiMe3), and 1.53 (s, 2H, CH2CN). [Matsuda et al. J Chem Soc, Perkin Trans 1 26 1979, Beilstein 4 IV 3974.]
(TRIMETHYLSILYL)ACETONITRILE Preparation Products And Raw materials
Preparation Products4-CHLOROBENZOYLACETONITRILE-->3-Methoxybenzoylacetonitrile-->4-CYANOPHENYLACETONITRILE 97-->2-Methylbenzyl cyanide

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