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Sigma-Aldrich

Iodotrimethylsilane

97%

Synonym(s):

TMIS, Trimethyliodosilane

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About This Item

Linear Formula:
(CH3)3SiI
CAS Number:
Molecular Weight:
200.09
Beilstein:
1731136
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

97%

form

liquid

contains

copper as stabilizer

refractive index

n20/D 1.471 (lit.)

bp

106 °C (lit.)

density

1.406 g/mL at 25 °C (lit.)

storage temp.

−20°C

SMILES string

C[Si](C)(C)I

InChI

1S/C3H9ISi/c1-5(2,3)4/h1-3H3

InChI key

CSRZQMIRAZTJOY-UHFFFAOYSA-N

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General description

Iodotrimethylsilane is a multipurpose reagent used in various organic reactions. It is used for the dealkylation of few compounds like lactones, ethers, acetals, and carbamates and trimethylsilylating agent for the synthesis of silyl imino esters, alkyl and alkenyl silanes, etc. It also acts as a Lewis acid catalyst and as a reducing agent in many organic reactions.

Iodotrimethylsilane is a hard-soft reagent that reacts readily with organic compounds containing oxygen (a hard base) forming a strong siliconoxygen bond.

Application

Efficient reagent for cleaving ethers, esters, carbamates, ketals, and lactones.
For the introduction of the TMS group, e.g., TMS enol ethers. Key reagent for the selective deprotection of an N-Cbz group in the presence of a trimethyltin moiety.
Reagent was recently reported to convert allyl- and benzylphosphotriesters to the corresponding iodides.

Pictograms

FlameCorrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

-23.8 °F - closed cup

Flash Point(C)

-31 °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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Iodotrimethylsilane
e-EROS Encyclopedia of Reagents for Organic Synthesis. (2005)
Go Hirai et al.
Bioorganic & medicinal chemistry letters, 14(10), 2647-2651 (2004-04-28)
Zoanthamines are a family of marine alkaloids that have complex heptacyclic structures and are reported to be interleukin-6 modulators. While the structure of zoanthamines, especially the ABC-ring portion, is similar to that of steroids, the CDEFG-ring portion, composed of aminoacetal
Iodotrimethylsilane?a versatile synthetic reagent
Olah GA, et al.
Tetrahedron, 38, 2225-2277 (1982)
Erick J Rendón-Ramirez et al.
Viral immunology, 28(5), 248-254 (2015-04-30)
There is a strong interest in finding adequate biomarkers to aid in the diagnosis and prognosis of influenza A (H1N1)pdm09 virus infection. In this study, serum levels of inflammatory cytokines and laboratory markers were evaluated to assess their usefulness as
Tetrahedron Letters, 35, 5445-5445 (1994)

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