2,4,6,8-Tetramethylcyclotetrasiloxane, 99%
2,4,6,8-Tetramethylcyclotetrasiloxane, 99%
2,4,6,8-Tetramethylcyclotetrasiloxane, 99%
2,4,6,8-Tetramethylcyclotetrasiloxane, 99%
Thermo Scientific Chemicals

2,4,6,8-Tetramethylcyclotetrasiloxane, 99%

CAS: 2370-88-9 | C4H12O4Si4 | 236.476 g/mol
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Catalog number L16642.22
also known as L16642-22
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Chemical Identifiers
CAS2370-88-9
Molecular FormulaC4H12O4Si4
InChI KeyWZJUBBHODHNQPW-UHFFFAOYSA-N
SMILESC[Si]1O[Si](C)O[Si](C)O[Si](C)O1
Molecular Weight (g/mol)236.48
SpecificationsSpecification SheetSpecification Sheet
Appearance (Color)Clear colorless
FormLiquid
Assay (GC)≥97.0%
Identification (FTIR)Conforms
Refractive Index1.3855-1.3885 @ 20°C
Tetramethyl-cyclotetrasiloxane is a good impregnant of photoelectric material. It is used to manufacture of modified siloxane with defined hydrogen content and chain quantity. It is also used in production of silicone polymers and acts as a precursor for the deposition of polysiloxane, cyclic siloxane, silicon dioxide, oxycarbide thin films with low dielectric constant for microelectronics and semiconductors.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Tetramethyl-cyclotetrasiloxane is a good impregnant of photoelectric material. It is used to manufacture of modified siloxane with defined hydrogen content and chain quantity. It is also used in production of silicone polymers and acts as a precursor for the deposition of polysiloxane, cyclic siloxane, silicon dioxide, oxycarbide thin films with low dielectric constant for microelectronics and semiconductors.

Solubility
Miscible with most organic solvents. Immiscible with water.

Notes
Incompatible with oxidizing agents, bases and acids. Store in a cool place.
RUO – Research Use Only

General References:

  1. Zhu, L.; Xue, J.; Wang, Y.; Chen, Q.; Ding, J.; Wang, Q. Ice-phobic Coatings Based on Silicon-Oil-Infused Polydimethylsiloxane. ACS Appl. Mater. Interfaces 2013, 5 (10), 4053-4062.
  2. Luo, Z.; Zhou, X.; Yu, J.; Sun, K.; Wang, F. Mechanical properties of SiC/SiC composites fabricated by PIP process with a new precursor polymer. Ceram. Int. 2014, 40 (1), 1939-1944.
  3. Jiang, S.; Qiu, T.; He, L.; Tan, J.; Li, X. The nucleation study on the cationic miniemulsion polymerization of octamethylcyclotetrasiloxane (D4). Colloid Polym. Sci. 2013, 291 (5), 1135-1142.