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998-30-1 - Triethoxysilane, 96% - B22063 - Alfa Aesar

B22063 Triethoxysilane, 96%

Codice CAS
998-30-1
Sinonimi

Dimensioni Prezzo ($) Quantità Disponibilità
10g 34,72
50g 105,06
250g 345,07
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Triethoxysilane, 96%

MDL
MFCD00009061
EINECS
213-650-7

Proprietà chimiche

Formula
C6H16O3Si
Peso formula
164.28
Punto di fusione
-170°
Punto di ebollizione
134-135°
Punto di infiammabilità
26°(78°F)
Densità
0.885
Indice di rifrazione
1.3770
Sensibilità
Moisture Sensitive
Solubilità
Insoluble in water. Soluble in organic solvents.

Applicazioni

Triethoxysilane is raw material for synthesis of silane addition agent and silicon oil. It is used as a reducing agent.

Note

Moisture sensitive. Store away from strong oxidizing agents, strong acids, bases, water/ moisture. Store under inert gas.

Letteratura

Miki Murata; Masanori Ishikura; Masayuki Nagata; Shinji Watanabe; and Yuzuru Masuda. Rhodium(I)-Catalyzed Silylation of Aryl Halides with Triethoxysilane:? Practical Synthetic Route to Aryltriethoxysilanes. Org. Lett. 2002, 4 (11), 1843-1845.

Amy S. Manoso and Philip DeShong. Improved Synthesis of Aryltriethoxysilanes via Palladium(0)-Catalyzed Silylation of Aryl Iodides and Bromides with Triethoxysilane. J. Org. Chem. 2001, 66 (22), 7449-7455.

In the presence of KF or CsF, reduces aldehydes and ketones to alcohols (via the silyl ether): Tetrahedron, 37, 2165 (1981). With CsF, enones can be reduced selectively to allylic alcohols in high yield: Tetrahedron., 39, 999 (1983).

Versatile hydrosilylating agent. For use in combination with Ti(O-i-Pr) 4 in a catalytic system for reduction of esters to alcohols, see: J. Org. Chem ., 57, 3751 (1992). CAUTION! Highly pyrophoric SiH 4 can form in this reaction: J. Org. Chem., 57, 3221 (1993).

The same system effects the otherwise difficult reduction of phosphine oxides to phosphines. The products may be reacted in situ with alkyl halides to give a convenient one-pot conversion of phosphine oxides to phosphonium salts: Tetrahedron Lett., 35, 625 (1994).

Pd(0)-catalyzed silylation of aryl iodides provides a route to aryl triethoxysilanes: J. Org. Chem., 62, 8569 (1997).

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H330-H314-H318-H226

Fatal if inhaled. Causes severe skin burns and eye damage. Causes serious eye damage. Flammable liquid and vapour.

Dichiarazioni precauzionali: P210-P260-P284-P303+P361+P353-P304+P340-P305+P351+P338-P320-P301+P330+P331-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Do not breathe dust/fume/gas/mist/vapours/spray. Wear respiratory protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Specific treatment is urgent (see label). IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Beilstein
1738989
Classe di rischio
6.1
Gruppo di imballaggio
I
Codice tariffe armonizzato
2920.90
TSCA
Yes
RTECS
VV6682000

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