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17082-47-2 - Tetrakis(dimethylsiloxy)silane, 97% - Tetrakis(dimethylsilyl) orthosilcate - B23754 - Alfa Aesar

B23754 Tetrakis(dimethylsiloxy)silane, 97%

Codice CAS
17082-47-2
Sinonimi
Tetrakis(dimethylsilyl) orthosilcate

Dimensioni Prezzo ($) Quantità Disponibilità
5g 29,20
25g 88,80
100g 272,00
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Tetrakis(dimethylsiloxy)silane, 97%

MDL
MFCD00053848

Proprietà chimiche

Formula
C8H28O4Si5
Peso formula
328.73
Punto di fusione
-60°
Punto di ebollizione
188-190°
Punto di infiammabilità
67°(153°F)
Densità
0.884
Indice di rifrazione
1.3880
Sensibilità
Moisture Sensitive
Solubilità
Not miscible or difficult to mix in water.

Applicazioni

It is employed for non-volatile NMR standard for high temperature work, in place of the highly volatile and as cross linker for vinyl functional silicones.

Note

Moisture sensitive. Store away from water/moisture and oxidizing agents. Keep the container tightly closed and place it in a cool, dry and well ventilated condition. Store under inert gas. Keep ignition sources away.

Letteratura

Francois Chambon, et al. Stopping of cross linking reaction in a PDMS polymer at the gel point.Polym. Bull.,1985,13(6), 499-503.

Guoping Cai, et al. Synthesis of terminal Si-H irregular tetra-branched star polysiloxanes. Pt-catalyzed hydrosilylation with unsaturated epoxides. Polysiloxane films by photo-acid catalyzed cross linking.Polymer.,2004,45(9), 2941-2948.

Non-volatile NMR standard for high temperature work, in place of the highly volatile Tetramethyl­silane, A13148.

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H315-H319-H335-H227

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Combustible liquid.

Dichiarazioni precauzionali: P210-P261-P280-P305+P351+P338-P304+P340-P362-P312-P405-P403+P233-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Beilstein
1793898
Codice tariffe armonizzato
2931.90
TSCA
Yes

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