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1,3,5,7-TETRAMETHYLCYCLOTETRASILOXANE
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1,3,5,7-TETRAMETHYLCYCLOTETRASILOXANE

CAS: 2370-88-9

Ref. 3H-SIT7530.0

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Estimated delivery in United States, on Thursday 19 Dec 2024

Product Information

Name:
1,3,5,7-TETRAMETHYLCYCLOTETRASILOXANE
Synonyms:
  • D'4; TMCTS
  • 1,2,5,7-Tetramethylcyclotetrasiloxane
  • 1,3,5,7-Cyclotetra(methylsiloxane)
  • 1,3,5,7-Tetrahydrogen-1,3,5,7-tetramethylcyclotetrasiloxane
  • 1,3,5,7-Tetramethylcyclotetrasiloxane
  • 2,4,6,8-Tetramethyl-1,3,5,7,2,4,6,8-Tetroxatetrasilocane
  • 2,4,6,8-Tetramethyl-1,3,5,7,2,4,6,8-Tetroxatetrasilocane-2,4,6,8-Tetrayl
  • 2,4,6,8-Tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
  • 2,4,6,8-Tetramethylcyclotetrasiloxan
  • 2,4,6,8-Tetrametilciclotetrasiloxano
  • See more synonyms
  • Cyclotetrasiloxane, 2,4,6,8-tetramethyl-
  • Cyclotetrasiloxane, Tetramethyl-
  • D<sub>4</sub>H
  • Hydrosilox
  • Kf 9902
  • Ls 8600
  • Sit 7530.0
  • Tetramethylcyclotetrasiloxane
Description:

Siloxane-Based Silane Reducing Agent
Organosilanes are hydrocarbon-like and possess the ability to serve as both ionic and free-radical reducing agents. These reagents and their reaction by-products are safer and more easily handled and disposed than many other reducing agents. The metallic nature of silicon and its low electronegativity relative to hydrogen lead to polarization of the Si-H bond yielding a hydridic hydrogen and a milder reducing agent compared to aluminum-, boron-, and other metal-based hydrides. A summary of some key silane reductions are presented in Table 1 of the Silicon-Based Reducing Agents brochure.
1,3,5,7-Tetramethylcyclotetrasiloxane; TMCTS; Methyl hydrogen cyclic tetramer
ΔHcomb: 5,308 kJ/molΔHvap: 177.9 kJ/molVapor pressure, 20 °C: 7.0 mmCritical temperature: 278 °CHigh molecular weight silane reducing agentIn presence of oxygen plasma generates SiO2 films for microelectronicsCyclic monomer- undergoes hydrosilylation reactionsForms hybrid inorganic-organic polymers with dienes suitable for circuit board resinsForms gate dielectrics by CVDExtensive review of silicon based reducing agents: Larson, G.; Fry, J. L. "Ionic and Organometallic-Catalyzed Organosilane Reductions", Wipf, P., Ed.; Wiley, 2007

Notice:
Our products are intended for lab use only. For any other use, please contact us.
Brand:
Gelest
Long term storage:
Notes:

Chemical properties

Molecular weight:
240.51
Formula:
C4H16O4Si4
Purity:
97%
Color/Form:
Colourless Liquid
MDL:
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Flash point:
Density:
Concentration:
EINECS:
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HS code:

Hazard Info

UN Number:
EQ:
Class:
H Statements:
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Forbidden to fly:
Hazard Info:
Packing Group:
LQ:

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