[L16642] CAS 2370-88-9 | 2,4,6,8-Tetramethylcyclotetrasiloxane, 99%

CAS : 2370-88-9
UN# : UN1993
MDL : MFCD00039567
Hazard Class : 3
EINECS : 219-137-4
Packing Group : III

Other name :

1,3,5,7-TetramethylcyclotetrasiloxaneTMCTS

Chemical Properties

Formula : C4H16O4Si4
Formula weight : 240.51
Melting Point : -69°
Boiling Point : 134-135°
Flash point : 25°(77°F)
Density : 0.991
Refractive Index : 1.3870
Sensitivity : Moisture Sensitive. Store under Nitrogen. Ambient temperatures.
Form : Liquid
Solubility : Miscible with most organic solvents. Immiscible with water.

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.

Grade Specifications

GHS Hazard and Precautionary Statements

Hazard Statements : H226-H319Flammable liquid and vapour.Causes serious eye irritation.
Precautionary Statements : P210-P241-P303+P361+P353-P305+P351+P338-P403+P235-P501aKeep away from heat/sparks/open flames/hot surfaces. – No smoking.Use explosion-proof electrical/ventilating/lighting/ equipment.IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.Store in a well-ventilated place. Keep cool.Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References :

Beilstein : 1787074
UN# : UN1993