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

B23754 Tetrakis(dimethylsiloxy)silane, 97%

CAS Number
17082-47-2
Synonyms
Tetrakis(dimethylsilyl) orthosilcate

Size Price ($) Quantity Availability
5g 29.20
25g 88.80
100g 272.00
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Tetrakis(dimethylsiloxy)silane, 97%

MDL
MFCD00053848

Chemical Properties

Formula
C8H28O4Si5
Formula Weight
328.73
Melting point
-60°
Boiling Point
188-190°
Flash Point
67°(153°F)
Density
0.884
Refractive Index
1.3880
Sensitivity
Moisture Sensitive
Solubility
Not miscible or difficult to mix in water.

Applications

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.

Notes

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.

Literature References

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.

GHS Hazard and Precautionary Statements

Hazard Statements: H227-H315-H319-H335

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

Precautionary Statements: P210u-P261-P280a-P305+P351+P338-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Beilstein
1793898
Harmonized Tariff Code
2931.90
TSCA
Yes

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