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4098-98-0 - Tetrakis(trimethylsilyl)silane, 98% - B21020 - Alfa Aesar

B21020 Tetrakis(trimethylsilyl)silane, 98%

CAS Number

Size Price ($) Quantity Availability
1g 40.40
5g 144.00
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Tetrakis(trimethylsilyl)silane, 98%


Chemical Properties

Formula Weight
Melting point
266-268° subl.


It is used as a starting material for the synthesis of tris(trimethylsilyl)silyl lithium with methyl lithium and in the preparation of lithium bis[(TMS)3silyl]cuprate.


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. Protect from humidity and water.

Literature References

Henry Gilman, et al. Tetrakis(trimethylsilyl)silane.J. Organomet. Chem.,19678(2), 245-253.

John V Muntean, et al. Tetrakis (trimethylsilyl)silane, a suitable chemical-shift standard for solid-state NMR spectroscopy.J. Magn. Reson.,1988,76(3), 540-542.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

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

Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

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. Specific treatment (see label). 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.

Other References

Harmonized Tariff Code


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