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Tetra-n-butylsilane, with the chemical formula (C4H9)4Si, is an organosilicon compound that exists as a colorless, clear liquid. It is characterized by its strong odor and high flammability. TETRA-N-BUTYLSILANE is a versatile reagent in organic synthesis, especially for the preparation of silicon-containing compounds. It also serves as a coating material in glass production and a crosslinking agent in polymer manufacturing. Furthermore, tetra-n-butylsilane is utilized as a precursor in the synthesis of other organosilicon compounds, such as siloxanes and silanes. Due to its flammability and potential health risks, careful handling and storage are essential.

994-79-6

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994-79-6 Usage

Uses

Used in Organic Synthesis:
Tetra-n-butylsilane is used as a reagent in organic synthesis for the preparation of silicon-containing compounds, which are valuable in various chemical and pharmaceutical applications.
Used in Glass Production:
In the glass industry, tetra-n-butylsilane is used as a coating material, enhancing the properties of glass products.
Used in Polymer Manufacturing:
Tetra-n-butylsilane serves as a crosslinking agent in the production of polymers, improving their structural integrity and performance characteristics.
Used in the Synthesis of Organosilicon Compounds:
As a precursor, tetra-n-butylsilane is utilized in the synthesis of other organosilicon compounds such as siloxanes and silanes, which have diverse applications in industries ranging from construction to electronics.

Check Digit Verification of cas no

The CAS Registry Mumber 994-79-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,9 and 4 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 994-79:
(5*9)+(4*9)+(3*4)+(2*7)+(1*9)=116
116 % 10 = 6
So 994-79-6 is a valid CAS Registry Number.
InChI:InChI=1/C16H36Si/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4/h5-16H2,1-4H3

994-79-6SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name tetrabutylsilane

1.2 Other means of identification

Product number -
Other names tetrabutyl-silane

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:994-79-6 SDS

994-79-6Relevant academic research and scientific papers

Closed-shell ion pairs: Cation and aggregate dynamics of tetraalkylammonium salts in a ion-pairing solvent

Mo, Huaping,Wang, Anping,Wilkinson, Patricia Stone,Pochapsky, Thomas C.

, p. 11666 - 11673 (1997)

Tetrabutylammonium ion (1) forms tight ion pairs with small anions (Cl-, BH4-) in GDCl3 solution. These ion pairs aggregate as a response to increasing solution concentration with little temperature dependence. Maximum aggregate size is approximately four ion pairs, as measured by comparing self-diffusion coefficients of the aggregates with that of an internal nonaggregating standard of the same shape and nominal size, tetrabutylsilane (2). The magnitudes of steady state interionic 1H{1H} NOEs observed between 1 and the BH4- anion in CDCl3 as a function of temperature in solutions of fixed concentration are well fit to the standard theoretical expression by assuming a single aggregate size that is independent of temperature. A simplified model-free analysis was applied to steady state 15N{1H} NOE and 15N T1 measured at several magnetic field strengths, using 15N-labeled 1 to obtain estimates for reorientational correlation times for the ion aggregates. A similar analysis of 13C{1H} NOE and 13C T1 gives local effective correlation times for C-H bond vectors of the 1-CH2 carbon of 1 and order parameters relating the local motion to overall cation motion. Comparison of these correlation times with those obtained from analysis of 29Si{1H} NOE, 13C{1H} NOE, and 13C T1 for silane 2 provides an estimate of aggregate size which is independent of that obtained by diffusion, with good agreement between the different approaches.

IR Spectra of n-Bu4M (M = Si, Ge, Sn, Pb), n-BuAuPPh3-d15, and "n-Bu" on a Gold Surface

Kaleta, Ji?í,Bednárová, Lucie,?í?ková, Martina,Wen, Jin,Kaletová, Eva,Michl, Josef

, p. 4619 - 4625 (2017/07/11)

Observed and DFT-calculated IR spectra of n-Bu4M (M = Si, Ge, Sn, Pb), (CH3CH2CH213CD2)4Sn, and n-BuAuPPh3-d15 are reported and assigned. The asymmetric CH stretching vibration of the CH2 group adjacent to the metal atom appears as a distinct shoulder at ~2934 cm-1, whereas for other CH2 groups it is located at ~2922 cm-1. The characteristic peak at ~2899 cm-1 is attributed to an overtone of a symmetric CH2 bend at ~1445 cm-1. In n-BuAuPPh3-d15, the CH stretching vibrations of the butyl group are shifted to lower frequencies by ~10 cm-1, and two possible rationalizations are offered.

Pentacoordinate silicon compounds. Reactions of silatranes with nucleophiles

Cerveau, G.,Chuit, C.,Corriu, R. J. P.,Nayyar, N. K.,Reye, C.

, p. 159 - 168 (2007/10/02)

The reactions of hydro, organyl and halosilatranes with nucleophiles have been studied.Substitution involving cleavage of equatorial Si-O bonds is always observed.Silitranes exhibit reactivity quite different from that of analogous trialkoxysilanes or anionic pentacoordinate silicon compounds.

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