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B23754 Tetrakis(dimethylsiloxy)silane, 97%

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

Stock No. Size Price ($) Quantity Availability
B23754-06 5g 30.30
B23754-14 25g 91.10
B23754-22 100g 278.00
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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
Storage & Sensitivity
Moisture Sensitive. Ambient temperatures.
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: P210-P235-P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P337+P313-P362-P370+P378q-P501c

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep cool. Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. 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. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Take off contaminated clothing and wash before reuse. In case of fire: Use CO2, dry chemical, or foam Dispose of contents/ container to an approved waste disposal plant

Other References

Beilstein
1793898
Harmonized Tariff Code
2931.90
TSCA
Yes

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