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Sigma-Aldrich

Trimethylsilyl cyanide

technical, ≥95% (GC)

Synonym(s):

Cyanotrimethylsilane, TMSCN

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About This Item

Linear Formula:
(CH3)3SiCN
CAS Number:
7677-24-9
Molecular Weight:
99.21
Beilstein:
1737612
EC Number:
231-657-3
MDL number:
MFCD00001765
UNSPSC Code:
12352100
PubChem Substance ID:
57652474
NACRES:
NA.22

grade

technical

Assay

≥95% (GC)

form

liquid

refractive index

n20/D 1.392 (lit.)

bp

114-117 °C (lit.)

mp

8-11 °C (lit.)

density

0.793 g/mL at 20 °C (lit.)

SMILES string

C[Si](C)(C)C#N

InChI

1S/C4H9NSi/c1-6(2,3)4-5/h1-3H3

InChI key

LEIMLDGFXIOXMT-UHFFFAOYSA-N

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Application

Trimethylsilyl cyanide (TMSCN) can be used as a reagent in the:
  • Cyanosilylation of carbonyl compounds using various catalysts.
  • Synthesis of α-aminonitriles by one-pot, three-component Strecker reaction of ketones with various amines using Brønsted acid catalyst.
  • Cyanation of aryl halides using palladium-complex as a catalyst.

Signal Word

Danger

Hazard Classifications

Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Flam. Liq. 2

Supplementary Hazards

EUH014,EUH029

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

33.8 °F - closed cup

Flash Point(C)

1 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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A convenient and efficient procedure for the palladium-catalyzed cyanation of aryl halides using trimethylsilylcyanide
Sundermeier M, et al.
Journal of Organometallic Chemistry, 684(1-2), 50-55 (2003)
Indium tribromide: a highly effective catalyst for the addition of trimethylsilyl cyanide to ?-hetero-substituted ketones
Bandini M, et al.
Tetrahedron Letters, 42(16), 3041-3043 (2001)
Asymmetric addition of trimethylsilyl cyanide to ketones catalyzed by Al (salen)/triphenylphosphine oxide
Kim SS and Kwak Ju M
Tetrahedron, 62(1), 49-53 (2006)
Siddhartha R Shenoy et al.
Journal of the American Chemical Society, 128(26), 8671-8677 (2006-06-29)
The limitations of stereoelectronic models in assessing the stereoselective nucleophilic substitution reactions of cyclic oxocarbenium ions at high reaction rates are discussed. Evidence is provided suggesting that the diastereoselectivity of nucleophilic substitution reactions is attenuated at the limits of diffusion
Guang-Wu Zhang et al.
Organic & biomolecular chemistry, 8(6), 1399-1405 (2010-03-06)
A general method for the one-pot, three-component Strecker reaction of ketones was developed using Brønsted acids as organocatalysts. A series of alpha-aminonitriles were obtained in good to excellent yields (79-99%). A preliminary extension to a catalytic enantioselective three-component Strecker reaction
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